diff --git a/compiler/src/main/kotlin/gay/pizza/pork/compiler/CodeBuilder.kt b/compiler/src/main/kotlin/gay/pizza/pork/compiler/CodeBuilder.kt
index 8463c0e..2c1ddf4 100644
--- a/compiler/src/main/kotlin/gay/pizza/pork/compiler/CodeBuilder.kt
+++ b/compiler/src/main/kotlin/gay/pizza/pork/compiler/CodeBuilder.kt
@@ -40,6 +40,8 @@ class CodeBuilder(val symbol: CompilableSymbol) {
     ops.add(PatchSymOp(Op(code, arguments), patches))
   }
 
+  fun lastOp(): StubOp? = ops.lastOrNull()
+
   fun annotate(text: String) {
     annotations.add(StubOpAnnotation(symbol, nextOpInst(), text))
   }
diff --git a/compiler/src/main/kotlin/gay/pizza/pork/compiler/IrStubOpEmitter.kt b/compiler/src/main/kotlin/gay/pizza/pork/compiler/IrStubOpEmitter.kt
index 00d8ac4..3ef1617 100644
--- a/compiler/src/main/kotlin/gay/pizza/pork/compiler/IrStubOpEmitter.kt
+++ b/compiler/src/main/kotlin/gay/pizza/pork/compiler/IrStubOpEmitter.kt
@@ -17,8 +17,9 @@ class IrStubOpEmitter(val irDefinition: IrDefinition, val code: CodeBuilder) : I
   }
 
   fun final() {
-    code.emit(Opcode.Return)
-    code.emit(Opcode.End)
+    if (code.lastOp()?.op?.code != Opcode.Return) {
+      code.emit(Opcode.Return)
+    }
   }
 
   private fun resolve(symbol: IrSymbol): Loadable = code.localState.resolve(symbol)