diff --git a/mxqd_control.c b/mxqd_control.c
index d51ffeb..7a00b12 100644
--- a/mxqd_control.c
+++ b/mxqd_control.c
@@ -35,9 +35,6 @@ static int server_is_qualified(struct mxq_server *server, struct mxq_group *grou
             return 0;   // evaluated to false
     }
     if (*server->daemon.prerequisites != 0) {
-        if (*group->tags == 0) {
-            return 0;
-        }
         _mx_cleanup_(keywordset_free_byref) struct keywordset *kws =  keywordset_new(group->tags);
         struct parser_context parser_context = {
             .input = server->daemon.prerequisites,
diff --git a/mxqsub.c b/mxqsub.c
index 478886a..72893be 100644
--- a/mxqsub.c
+++ b/mxqsub.c
@@ -1184,7 +1184,7 @@ int main(int argc, char *argv[])
         return 1;
     }
 
-    printf("mxq_group_id=%" PRIu64 " \n",   group.group_id);
+    printf("mxq_group_id=%" PRIu64 "\n",   group.group_id);
     printf("mxq_group_name=%s\n", group.group_name);
     printf("mxq_job_id=%" PRIu64 "\n",    job.job_id);
 
diff --git a/test_parser.c b/test_parser.c
index 1c56638..bb1248b 100644
--- a/test_parser.c
+++ b/test_parser.c
@@ -68,6 +68,11 @@ int main() {
 
     keywordset_free(tags);
 
+    tags = keywordset_new("x");
+    test_expression(tags, "bla", 0, 0);
+    test_expression(tags, "!bla", 0, 1);
+    keywordset_free(tags);
+
     static char text[8002];
     text[8001] = 0;
     memset(text, '(', 8000);