diff --git a/asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.kt b/asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.kt
index ddc3102f..b8278da5 100644
--- a/asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.kt
+++ b/asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.kt
@@ -313,7 +313,7 @@ fun TryCatchBlockNode.isBodyEmpty(): Boolean {
 
     while (true) {
         when {
-            current == null -> return false
+            current == null -> error("Failed to reach end of try-catch block.")
             current === end -> return true
             current.opcode != -1 -> return false
             else -> current = current.next