Index: main/pbx.c
===================================================================
--- main/pbx.c	(revision 145180)
+++ main/pbx.c	(working copy)
@@ -2657,7 +2657,7 @@
 
 	AST_RWLIST_RDLOCK(&acf_root);
 	AST_RWLIST_TRAVERSE(&acf_root, acf, acflist) {
-		if (!like || strstr(acf->name, a->argv[4])) {
+		if (!like || strcasestr(acf->name, a->argv[4])) {
 			count_acf++;
 			ast_cli(a->fd, "%-20.20s  %-35.35s  %s\n", acf->name, acf->syntax, acf->synopsis);
 		}