diff --git a/qse/lib/awk/val.c b/qse/lib/awk/val.c
index da736aa0..da5deaa6 100644
--- a/qse/lib/awk/val.c
+++ b/qse/lib/awk/val.c
@@ -49,7 +49,8 @@ qse_awk_val_t* qse_get_awk_nil_val (void)
 
 int qse_awk_rtx_isnilval (qse_awk_rtx_t* rtx, qse_awk_val_t* val)
 {
-	return val->v_type == QSE_AWK_VAL_NIL;
+	return val == (qse_awk_val_t*)&awk_nil || (QSE_AWK_VTR_IS_POINTER(val) && val->v_type == QSE_AWK_VAL_NIL);
+
 }
 
 qse_awk_val_t* qse_awk_rtx_makenilval (qse_awk_rtx_t* rtx)