diff --git a/kiss/src/kiss/Macros.hx b/kiss/src/kiss/Macros.hx
index 4b2ef013..88b799ba 100644
--- a/kiss/src/kiss/Macros.hx
+++ b/kiss/src/kiss/Macros.hx
@@ -794,12 +794,11 @@ class Macros {
             wholeExp.checkNumArgs(4, null, "(#extern <BodyType> <lang> <?compileArgs object> [<typed bindings...>] <body...>)");
             var b = wholeExp.expBuilder();
 
-            // Skip all extern code generation if -D null-extern is provided to the compiler
-            if (Context.defined("null-extern")) {
-                return b.symbol("null");
+            // Skip all extern code generation if -D no-extern is provided to the compiler
+            if (Context.defined("no-extern")) {
+                return b.callSymbol("throw", [b.str("tried to call #extern code when -D no-extern was provided during compilation")]);
             }
 
-
             var bodyType = exps.shift();
             var langExp = exps.shift();
             var originalLang = langExp.symbolNameValue();
diff --git a/kiss/src/kiss/Main.hx b/kiss/src/kiss/Main.hx
index a9e01902..5d7a6071 100644
--- a/kiss/src/kiss/Main.hx
+++ b/kiss/src/kiss/Main.hx
@@ -37,7 +37,7 @@ class Main {
                 // kiss implement [type] [fromLib]
                 var _pwd = args.pop();
                 var theInterface = args.shift();
-                var pArgs = ["-D", "null-extern", "build-scripts/common-args.hxml", "-lib", "kiss"];
+                var pArgs = ["-D", "no-extern", "build-scripts/common-args.hxml", "-lib", "kiss"];
                 // pass --lib and the lib containing the interface as specified
                 if (args.length > 0) {
                     pArgs = pArgs.concat(["-lib", args.shift()]);