diff --git a/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java b/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java
index fb7c5c8d4..b70d410b1 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java
@@ -624,7 +624,11 @@ public void setUpgrade( @Nonnull TurtleSide side, ITurtleUpgrade upgrade )
         // This is a separate function to avoid updating the block when reading the NBT. We don't need to do this as
         // either the block is newly placed (and so won't have changed) or is being updated with /data, which calls
         // updateBlock for us.
-        if( owner.getLevel() != null ) owner.updateBlock();
+        if( owner.getLevel() != null )
+        {
+            owner.updateBlock();
+            owner.updateInput();
+        }
     }
 
     private boolean setUpgradeDirect( @Nonnull TurtleSide side, ITurtleUpgrade upgrade )
diff --git a/src/test/java/dan200/computercraft/ingame/TurtleTest.kt b/src/test/java/dan200/computercraft/ingame/TurtleTest.kt
index 3672d9b89..4788370a3 100644
--- a/src/test/java/dan200/computercraft/ingame/TurtleTest.kt
+++ b/src/test/java/dan200/computercraft/ingame/TurtleTest.kt
@@ -5,7 +5,7 @@
 import dan200.computercraft.ingame.api.checkComputerOk
 
 class TurtleTest {
-    @GameTest(required = false)
+    @GameTest
     suspend fun `Unequip refreshes peripheral`(context: TestContext) = context.checkComputerOk(1)
 
     /**