diff --git a/src/object.c b/src/object.c
index 80d3df4..7920f30 100644
--- a/src/object.c
+++ b/src/object.c
@@ -74,6 +74,9 @@ void addToList(Object *dest, const Object src)
 void printErr(const Object *obj)
 {
 #ifdef STANDALONE
+    if(!obj || obj->type != TYPE_ERROR)
+        return;
+
     printf("%s\n", errorText[(int)(obj->err)]);
 #endif
     return;