diff --git a/worldguard-core/src/main/java/com/sk89q/worldguard/commands/region/RegionCommands.java b/worldguard-core/src/main/java/com/sk89q/worldguard/commands/region/RegionCommands.java
index 51eda7f0d..b212a5429 100644
--- a/worldguard-core/src/main/java/com/sk89q/worldguard/commands/region/RegionCommands.java
+++ b/worldguard-core/src/main/java/com/sk89q/worldguard/commands/region/RegionCommands.java
@@ -597,11 +597,14 @@ public void flag(CommandContext args, Actor sender) throws CommandException {
         if (value != null) {
             // Set the flag if [value] was given even if [-g group] was given as well
             try {
-                value = setFlag(existing, foundFlag, sender, value).toString();
+                Object parsedValue = setFlag(existing, foundFlag, sender, value);
+                value = parsedValue == null ? null : parsedValue.toString();
             } catch (InvalidFlagFormat e) {
                 throw new CommandException(e.getMessage());
             }
+        }
 
+        if (value != null) {
             if (!args.hasFlag('h')) {
                 sender.print("Region flag " + foundFlag.getName() + " set on '" + regionId + "' to '" + value + "'.");
             }