diff --git a/cache/src/main/java/net/runelite/cache/script/Instructions.java b/cache/src/main/java/net/runelite/cache/script/Instructions.java
index 83acf358f6..8a369ff040 100644
--- a/cache/src/main/java/net/runelite/cache/script/Instructions.java
+++ b/cache/src/main/java/net/runelite/cache/script/Instructions.java
@@ -35,6 +35,7 @@ public class Instructions
 	public static void init()
 	{
 		instructions.clear();
+		instructionsByName.clear();
 
 		add(Opcodes.LOAD_INT, "load_int", 0, 1);
 		add(Opcodes.GET_SETTINGS, "get_settings", 0, 1);