diff --git a/source4/lib/charset/util_unistr.c b/source4/lib/charset/util_unistr.c
index ca65d1fa002..78af83973dc 100644
--- a/source4/lib/charset/util_unistr.c
+++ b/source4/lib/charset/util_unistr.c
@@ -508,6 +508,8 @@ _PUBLIC_ char *strlower_talloc(TALLOC_CTX *ctx, const char *src)
 	/* trim it so talloc_append_string() works */
 	dest = talloc_realloc_size(ctx, dest, size+1);
 
+	talloc_set_name_const(dest, dest);
+
 	return dest;
 }
 
@@ -550,6 +552,8 @@ _PUBLIC_ char *strupper_talloc(TALLOC_CTX *ctx, const char *src)
 	/* trim it so talloc_append_string() works */
 	dest = talloc_realloc_size(ctx, dest, size+1);
 
+	talloc_set_name_const(dest, dest);
+
 	return dest;
 }