diff --git a/a/src/pacman/sync.c b/b/src/pacman/sync.c
index 0473f4e..5af10b3 100644
--- a/src/pacman/sync.c
+++ b/src/pacman/sync.c
@@ -104,7 +104,7 @@ static int sync_cleandb(const char *dbpath)
 			dbname = strndup(dname, len - 7);
 		} else if(len > 6 && strcmp(dname + len - 6, ".files") == 0) {
 			dbname = strndup(dname, len - 6);
-		} else if(len > 6 && strcmp(dname + len - 6, ".files.sig") == 0) {
+		} else if(len > 10 && strcmp(dname + len - 10, ".files.sig") == 0) {
 			dbname = strndup(dname, len - 10);
 		} else {
 			ret += unlink_verbose(path, 0);