diff --git a/src/PharoBootstrap-Initialization.package/PharoBootstrapInitialization.class/class/initializeCommandLineHandlerAndErrorHandling.st b/src/PharoBootstrap-Initialization.package/PharoBootstrapInitialization.class/class/initializeCommandLineHandlerAndErrorHandling.st
index 0c1ad419fcd..41f011457ef 100644
--- a/src/PharoBootstrap-Initialization.package/PharoBootstrapInitialization.class/class/initializeCommandLineHandlerAndErrorHandling.st
+++ b/src/PharoBootstrap-Initialization.package/PharoBootstrapInitialization.class/class/initializeCommandLineHandlerAndErrorHandling.st
@@ -37,7 +37,7 @@ initializeCommandLineHandlerAndErrorHandling
 	Slot initialize.
 	TraitBehavior initialize.
 	RPackage initialize.
-	Behavior initializeClassProperties.
+	Behavior initialize.
 
 	UIManager classVarNamed: 'Default' put: NonInteractiveUIManager new.
 	UIManager default activate.
@@ -54,4 +54,4 @@ initializeCommandLineHandlerAndErrorHandling
 	NonInteractiveTranscript initialize.
 	BasicCommandLineHandler initialize.
 	Smalltalk snapshot: true andQuit: true.
-	Processor terminateActive.
\ No newline at end of file
+	Processor terminateActive.