diff --git a/src/interpreter.c b/src/interpreter.c
index cdc4b01..e9428c0 100644
--- a/src/interpreter.c
+++ b/src/interpreter.c
@@ -1815,9 +1815,14 @@ GroundValue interpretGroundInstruction(GroundInstruction inst, GroundScope* scop
                     if (in->args.args[i + 1].type != VALUE) {
                         runtimeError(ARG_TYPE_MISMATCH, "Expecting a Value", in, currentInstruction);
                     }
-                    //if (in->args.args[i + 1].value.value.type != function->args[i].type) {
-                    if (!checkFnTypes(&in->args.args[i + 1].value.value, &function->args[i])) {
-                        runtimeError(ARG_TYPE_MISMATCH, "Mismatched function argument types", in, currentInstruction);
+                    if (function->nativeFn) {
+                        if (in->args.args[i + 1].value.value.type != function->args[i].type) {
+                            runtimeError(ARG_TYPE_MISMATCH, "Mismatched function argument types", in, currentInstruction);
+                        }
+                    } else {
+                        if (!checkFnTypes(&in->args.args[i + 1].value.value, &function->args[i])) {
+                            runtimeError(ARG_TYPE_MISMATCH, "Mismatched function argument types", in, currentInstruction);
+                        }
                     }
                     appendToList(&argsList, in->args.args[i + 1].value.value);
                 }