diff --git a/lib/src/clixon_yang.c b/lib/src/clixon_yang.c
index 8ed7c331..25ff4981 100644
--- a/lib/src/clixon_yang.c
+++ b/lib/src/clixon_yang.c
@@ -2885,6 +2885,8 @@ yang_abs_schema_nodeid(yang_stmt    *yn,
     /* If p0 is NULL an entry will be: [i0] which needs to be transformed to [NULL:i0] */
     cv = NULL;    
     while ((cv = cvec_each(nodeid_cvv, cv)) != NULL){
+    if (cv_type_get(cv) != CGV_STRING)
+        cv_type_set(cv, CGV_STRING);
 	if ((str = cv_string_get(cv)) == NULL || !strlen(str)){
 	    if (cv_string_set(cv, cv_name_get(cv)) < 0){
 		clicon_err(OE_UNIX, errno, "cv_string_set");