diff --git a/exercises/04/vslc/include/ir.h b/exercises/04/vslc/include/ir.h
index 5c487b0..ca91204 100644
--- a/exercises/04/vslc/include/ir.h
+++ b/exercises/04/vslc/include/ir.h
@@ -47,4 +47,5 @@ typedef struct s {
 #define GLOBAL_BUCKET_SIZE          32
 #define LOCAL_BUCKET_SIZE           16
 
-#define DEFAULT_STRING_LIST_SIZE    8
\ No newline at end of file
+#define DEFAULT_STRING_LIST_SIZE    8
+#define DEFAULT_NO_SCOPES           1
\ No newline at end of file