1 files changed, 7 insertions, 1 deletions

diff --git a/ui-snapshot.c b/ui-snapshot.c
index 966a140..7a597ff 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -77,17 +77,23 @@ static int make_snapshot(const struct cgit_snapshot_format *format,
                 return 1;
         }
         commit = lookup_commit_reference(sha1);
         if(!commit) {
                 cgit_print_error(fmt("Not a commit reference: %s", hex));
                 return 1;
         }
         memset(&args, 0, sizeof(args));
-        args.base = fmt("%s/", prefix);
+        if (prefix) {
+                args.base = fmt("%s/", prefix);
+                args.baselen = strlen(prefix) + 1;
+        } else {
+                args.base = "";
+                args.baselen = 0;
+        }
         args.tree = commit->tree;
         args.time = commit->date;
         ctx.page.mimetype = xstrdup(format->mimetype);
         ctx.page.filename = xstrdup(filename);
         cgit_print_http_headers(&ctx);
         format->write_func(&args);
         return 0;
 }