diff --git a/src/util-running-modes.c b/src/util-running-modes.c
index dd50c85ab4..02aeefece8 100644
--- a/src/util-running-modes.c
+++ b/src/util-running-modes.c
@@ -36,6 +36,7 @@ int ListKeywords(const char *keyword_info)
     MpmTableSetup();
     SpmTableSetup();
     AppLayerSetup();
+    SigTableInit();
     SigTableSetup(); /* load the rule keywords */
     return SigTableList(keyword_info);
 }