diff --git a/src/detect-engine-siggroup.c b/src/detect-engine-siggroup.c
index 0ff6a77121..8850d1475f 100644
--- a/src/detect-engine-siggroup.c
+++ b/src/detect-engine-siggroup.c
@@ -888,6 +888,9 @@ static void SigGroupHeadFreeSigArraysHash2(DetectEngineCtx *de_ctx,
          htb = HashListTableGetListNext(htb))
     {
         sgh = (SigGroupHead *)HashListTableGetListData(htb);
+        if (sgh == NULL) {
+            continue;
+        }
 
         if (sgh->init->sig_array != NULL) {
             detect_siggroup_sigarray_free_cnt++;