diff --git a/src/GToolkit-GemStone/RsrConcurrentTestClient.extension.st b/src/GToolkit-GemStone-Pharo/RsrConcurrentTestClient.extension.st
similarity index 73%
rename from src/GToolkit-GemStone/RsrConcurrentTestClient.extension.st
rename to src/GToolkit-GemStone-Pharo/RsrConcurrentTestClient.extension.st
index 286023d7..9d5524c1 100644
--- a/src/GToolkit-GemStone/RsrConcurrentTestClient.extension.st
+++ b/src/GToolkit-GemStone-Pharo/RsrConcurrentTestClient.extension.st
@@ -1,11 +1,11 @@
 Extension { #name : #RsrConcurrentTestClient }
 
-{ #category : #'*GToolkit-GemStone' }
+{ #category : #'*GToolkit-GemStone-Pharo' }
 RsrConcurrentTestClient >> counter: anArray [
 	 remoteSelf counter: anArray
 ]
 
-{ #category : #'*GToolkit-GemStone' }
+{ #category : #'*GToolkit-GemStone-Pharo' }
 RsrConcurrentTestClient >> startBackgroundFactorialComputation [
 
 	^ remoteSelf startBackgroundFactorialComputation