1 files changed, 1 insertions, 1 deletions
diff --git a/src/eval.c b/src/eval.c
index 4ba4121d..c63a5e0e 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -21802,7 +21802,7 @@ get_user_func_name(xp, idx)
 	fp = HI2UF(hi);
 
 	if (fp->uf_flags & FC_DICT)
-	    return NULL; /* don't show dict functions */
+	    return ""; /* don't show dict functions */
 
 	if (STRLEN(fp->uf_name) + 4 >= IOSIZE)
 	    return fp->uf_name;	/* prevents overflow */