diff --git a/projects/common/src/client/java/dan200/computercraft/client/gui/GuiSprites.java b/projects/common/src/client/java/dan200/computercraft/client/gui/GuiSprites.java
index ffed5a1af..8e2627a74 100644
--- a/projects/common/src/client/java/dan200/computercraft/client/gui/GuiSprites.java
+++ b/projects/common/src/client/java/dan200/computercraft/client/gui/GuiSprites.java
@@ -32,10 +32,13 @@ public final class GuiSprites extends TextureAtlasHolder {
     public static final ComputerTextures COMPUTER_COMMAND = computer("command", false, true);
     public static final ComputerTextures COMPUTER_COLOUR = computer("colour", true, false);
 
+    public static final ResourceLocation TURTLE_NORMAL_SELECTED_SLOT = new ResourceLocation(ComputerCraftAPI.MOD_ID, "gui/sprites/turtle_normal_selected_slot");
+    public static final ResourceLocation TURTLE_ADVANCED_SELECTED_SLOT = new ResourceLocation(ComputerCraftAPI.MOD_ID, "gui/sprites/turtle_advanced_selected_slot");
+
     private static ButtonTextures button(String name) {
         return new ButtonTextures(
-            new ResourceLocation(ComputerCraftAPI.MOD_ID, "gui/buttons/" + name),
-            new ResourceLocation(ComputerCraftAPI.MOD_ID, "gui/buttons/" + name + "_hover")
+            new ResourceLocation(ComputerCraftAPI.MOD_ID, "gui/sprites/buttons/" + name),
+            new ResourceLocation(ComputerCraftAPI.MOD_ID, "gui/sprites/buttons/" + name + "_hover")
         );
     }
 
diff --git a/projects/common/src/client/java/dan200/computercraft/client/gui/TurtleScreen.java b/projects/common/src/client/java/dan200/computercraft/client/gui/TurtleScreen.java
index c401be67a..498ad8e68 100644
--- a/projects/common/src/client/java/dan200/computercraft/client/gui/TurtleScreen.java
+++ b/projects/common/src/client/java/dan200/computercraft/client/gui/TurtleScreen.java
@@ -54,9 +54,9 @@ public class TurtleScreen extends AbstractComputerScreen<TurtleMenu> {
         if (slot >= 0) {
             var slotX = slot % 4;
             var slotY = slot / 4;
-            graphics.blit(texture,
-                leftPos + TURTLE_START_X - 2 + slotX * 18, topPos + PLAYER_START_Y - 2 + slotY * 18, 0,
-                0, 217, 24, 24, FULL_TEX_SIZE, FULL_TEX_SIZE
+            graphics.blit(
+                leftPos + TURTLE_START_X - 2 + slotX * 18, topPos + PLAYER_START_Y - 2 + slotY * 18, 0, 22, 22,
+                GuiSprites.get(advanced ? GuiSprites.TURTLE_ADVANCED_SELECTED_SLOT : GuiSprites.TURTLE_NORMAL_SELECTED_SLOT)
             );
         }
 
diff --git a/projects/common/src/datagen/java/dan200/computercraft/data/DataProviders.java b/projects/common/src/datagen/java/dan200/computercraft/data/DataProviders.java
index d58aeaf9b..7a2305bb4 100644
--- a/projects/common/src/datagen/java/dan200/computercraft/data/DataProviders.java
+++ b/projects/common/src/datagen/java/dan200/computercraft/data/DataProviders.java
@@ -57,6 +57,7 @@ public final class DataProviders {
                 LecternPrintoutModel.TEXTURE
             )));
             out.accept(GuiSprites.SPRITE_SHEET, makeSprites(
+                Stream.of(GuiSprites.TURTLE_NORMAL_SELECTED_SLOT, GuiSprites.TURTLE_ADVANCED_SELECTED_SLOT),
                 // Buttons
                 GuiSprites.TURNED_OFF.textures(),
                 GuiSprites.TURNED_ON.textures(),
diff --git a/projects/common/src/generated/resources/assets/computercraft/atlases/gui.json b/projects/common/src/generated/resources/assets/computercraft/atlases/gui.json
index 8ad965c9d..3e34d5bb1 100644
--- a/projects/common/src/generated/resources/assets/computercraft/atlases/gui.json
+++ b/projects/common/src/generated/resources/assets/computercraft/atlases/gui.json
@@ -1,11 +1,13 @@
 {
   "sources": [
-    {"type": "minecraft:single", "resource": "computercraft:gui/buttons/turned_off"},
-    {"type": "minecraft:single", "resource": "computercraft:gui/buttons/turned_off_hover"},
-    {"type": "minecraft:single", "resource": "computercraft:gui/buttons/turned_on"},
-    {"type": "minecraft:single", "resource": "computercraft:gui/buttons/turned_on_hover"},
-    {"type": "minecraft:single", "resource": "computercraft:gui/buttons/terminate"},
-    {"type": "minecraft:single", "resource": "computercraft:gui/buttons/terminate_hover"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/turtle_normal_selected_slot"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/turtle_advanced_selected_slot"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/buttons/turned_off"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/buttons/turned_off_hover"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/buttons/turned_on"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/buttons/turned_on_hover"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/buttons/terminate"},
+    {"type": "minecraft:single", "resource": "computercraft:gui/sprites/buttons/terminate_hover"},
     {"type": "minecraft:single", "resource": "computercraft:gui/border_normal"},
     {"type": "minecraft:single", "resource": "computercraft:gui/pocket_bottom_normal"},
     {"type": "minecraft:single", "resource": "computercraft:gui/sidebar_normal"},
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/terminate.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/terminate.png
similarity index 100%
rename from projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/terminate.png
rename to projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/terminate.png
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/terminate_hover.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/terminate_hover.png
similarity index 100%
rename from projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/terminate_hover.png
rename to projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/terminate_hover.png
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_off.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_off.png
similarity index 100%
rename from projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_off.png
rename to projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_off.png
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_off_hover.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_off_hover.png
similarity index 100%
rename from projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_off_hover.png
rename to projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_off_hover.png
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_on.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_on.png
similarity index 100%
rename from projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_on.png
rename to projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_on.png
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_on_hover.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_on_hover.png
similarity index 100%
rename from projects/common/src/main/resources/assets/computercraft/textures/gui/buttons/turned_on_hover.png
rename to projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/buttons/turned_on_hover.png
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/turtle_advanced_selected_slot.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/turtle_advanced_selected_slot.png
new file mode 100644
index 000000000..1550ea4c6
Binary files /dev/null and b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/turtle_advanced_selected_slot.png differ
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/turtle_normal_selected_slot.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/turtle_normal_selected_slot.png
new file mode 100644
index 000000000..bdf51ef11
Binary files /dev/null and b/projects/common/src/main/resources/assets/computercraft/textures/gui/sprites/turtle_normal_selected_slot.png differ
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_advanced.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_advanced.png
index 8f7d66500..eaaeea36a 100644
Binary files a/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_advanced.png and b/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_advanced.png differ
diff --git a/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_normal.png b/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_normal.png
index f676c56b2..06cf90644 100644
Binary files a/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_normal.png and b/projects/common/src/main/resources/assets/computercraft/textures/gui/turtle_normal.png differ