fix string format usage

1 files changed, 1 insertions, 1 deletions

diff --git a/URPM.xs b/URPM.xs
index a044dd0..a4ff87e 100644
--- a/URPM.xs
+++ b/URPM.xs
@@ -2833,7 +2833,7 @@ Db_open(prefix=NULL, write_perm=0)
     size_t len;
 
     if(getcwd(relpath, sizeof(relpath)) == NULL)
-      croak(strerror(errno));
+      croak("%s", strerror(errno));
     len = strlen(relpath);
     snprintf(&(relpath[len]), sizeof(relpath)-len, "/%s", prefix);
     rpmtsSetRootDir(db->ts, relpath);