1 files changed, 2 insertions, 2 deletions

diff --git a/lib/libalpm/backup.c b/lib/libalpm/backup.c
index aeb0dea7..ffd45086 100644
--- a/lib/libalpm/backup.c
+++ b/lib/libalpm/backup.c
@@ -36,9 +36,9 @@
 /* Look for a filename in a pmpkg_t.backup list.  If we find it,
  * then we return the md5 or sha1 hash (parsed from the same line)
  */
-char *_alpm_needbackup(const char *file, alpm_list_t *backup)
+char *_alpm_needbackup(const char *file, const alpm_list_t *backup)
 {
-	alpm_list_t *lp;
+	const alpm_list_t *lp;
 
 	ALPM_LOG_FUNC;