diff --git a/Code/Tools/AssetProcessor/native/utilities/assetUtils.cpp b/Code/Tools/AssetProcessor/native/utilities/assetUtils.cpp
index 86e00bfd41..b152e5ed4f 100644
--- a/Code/Tools/AssetProcessor/native/utilities/assetUtils.cpp
+++ b/Code/Tools/AssetProcessor/native/utilities/assetUtils.cpp
@@ -713,7 +713,7 @@ namespace AssetUtilities
         }
 
         // Update Settings Registry with new token
-        AZStd::string azNewAllowedList{ newAllowedList.join(', ').toUtf8().constData() };
+        AZStd::string azNewAllowedList{ newAllowedList.join(',').toUtf8().constData() };
         settingsRegistry->Set(allowedListKey, azNewAllowedList);
 
         return AssetUtilsInternal::DumpAssetProcessorUserSettingsToFile(*settingsRegistry, assetProcessorUserSetregPath);