diff --git a/src/PharoLauncher-CLI/MacOSPlatform.extension.st b/src/PharoLauncher-CLI/MacOSPlatform.extension.st
index 388a9dd7..9c1a6e55 100644
--- a/src/PharoLauncher-CLI/MacOSPlatform.extension.st
+++ b/src/PharoLauncher-CLI/MacOSPlatform.extension.st
@@ -10,5 +10,5 @@ MacOSPlatform >> processListArgs [
 { #category : #'*PharoLauncher-CLI' }
 MacOSPlatform >> processStartDateArgs [
 	
-	^ 'xargs -I{} date -jf "%a %b %e %T %Y" "{}" ''+%Y-%m-%d %H:%M:%S'''
+	^ 'xargs -I{} date -jf "%a %b %e %H:%M:%S %Y" "{}" ''+%Y-%m-%d %H:%M:%S'''
 ]