1 files changed, 1 insertions, 1 deletions

diff --git a/ui-plain.c b/ui-plain.c
index da76406..1b2b672 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -33,9 +33,9 @@ static void print_object(const unsigned char *sha1, const char *path)
         }
         ctx.page.mimetype = NULL;
         ext = strrchr(path, '.');
         if (ext && *(++ext)) {
-                mime = string_list_lookup(ext, &ctx.cfg.mimetypes);
+                mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
                 if (mime)
                         ctx.page.mimetype = (char *)mime->util;
         }
         if (!ctx.page.mimetype) {