diff --git a/src/main/java/net/aufdemrand/denizen/tags/core/FlagTags.java b/src/main/java/net/aufdemrand/denizen/tags/core/FlagTags.java
index c3b566d319..588c5e140d 100644
--- a/src/main/java/net/aufdemrand/denizen/tags/core/FlagTags.java
+++ b/src/main/java/net/aufdemrand/denizen/tags/core/FlagTags.java
@@ -33,6 +33,8 @@ private enum ReplaceType { LENGTH, SIZE, ASSTRING, ASINT, ASDOUBLE, ASLIST, ASMO
     public void flagTag(ReplaceableTagEvent event) {
         if (!event.matches("FLAG")) return;
 
+        if (!event.hasValue()) return;
+
         // Replace <FLAG...> TAGs.
         String flagName = event.getValue().split(":").length > 1
                 ? event.getValue().split(":")[0].toUpperCase() : event.getValue().toUpperCase();