1 files changed, 1 insertions, 1 deletions
diff --git a/src/math.c b/src/math.c
index bfd8b94..6a077f0 100644
--- a/src/math.c
+++ b/src/math.c
@@ -13,7 +13,7 @@ c3_group_rot_t *get_group_relative(char *id) {//crashes in here somehwere...
   struct entry *tmp;
   if((tmp=ht_getnode(&global.ht_group,id))) {
     gr=tmp->target;//target is a void *
-    return gr;
+    if(gr) return gr;
   }//if this didn't work, do fallback...
   //fprintf(stderr,"# !!! hash table failed for %s\n",id);
   for(i=0;global.group_rot[i];i++) {