1 files changed, 1 insertions, 2 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 3a7ffdb656a..39d7e157803 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -9216,8 +9216,7 @@ my_bool mysql_rm_tmp_tables(void)
     {
       file=dirp->dir_entry+idx;
 
-      if (!memcmp(file->name, tmp_file_prefix,
-                  tmp_file_prefix_length))
+      if (!strncmp(file->name, tmp_file_prefix, tmp_file_prefix_length))
       {
         char *ext= fn_ext(file->name);
         uint ext_len= strlen(ext);