diff --git a/src/testMod/java/dan200/computercraft/ingame/CraftOsTest.kt b/src/testMod/java/dan200/computercraft/ingame/CraftOsTest.kt
index da72cd2f9..249b786a8 100644
--- a/src/testMod/java/dan200/computercraft/ingame/CraftOsTest.kt
+++ b/src/testMod/java/dan200/computercraft/ingame/CraftOsTest.kt
@@ -9,6 +9,6 @@ class CraftOs_Test {
     /**
      * Sends a rednet message to another a computer and back again.
      */
-    @GameTest
+    @GameTest(timeoutTicks = 200)
     fun Sends_basic_rednet_messages(context: GameTestHelper) = context.sequence { thenComputerOk("main") }
 }