1 files changed, 1 insertions, 1 deletions

diff --git a/ui-log.c b/ui-log.c
index bc0c02c..b9771fa 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -157,17 +157,17 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
         int argc = 2;
         int i, columns = 3;
 
         if (!tip)
                 tip = ctx.qry.head;
 
         argv[1] = disambiguate_ref(tip);
 
-        if (grep && pattern) {
+        if (grep && pattern && *pattern) {
                 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
                     !strcmp(grep, "committer"))
                         argv[argc++] = fmt("--%s=%s", grep, pattern);
                 if (!strcmp(grep, "range"))
                         argv[1] = pattern;
         }
 
         if (path) {