diff --git a/src/ExoRepo/Nimble.class.st b/src/ExoRepo/Nimble.class.st
index 8896d48..6c6f2ea 100644
--- a/src/ExoRepo/Nimble.class.st
+++ b/src/ExoRepo/Nimble.class.st
@@ -34,16 +34,12 @@ Nimble class >> installPackagesList [
 
 	(FileLocator home / '.nimble' / 'packages_official.json') exists
 		ifTrue: [ ^ self ].
-	(Smalltalk os isUnix or: [ Smalltalk os isMacOS ]) 
-		ifTrue: [ 
-			OSSUnixSubprocess new
-				command: 'nimble';
-				arguments: #('refresh');
-				redirectStdout;
-				runAndWaitOnExitDo: [ :process :outString | ^ outString ].
-		].
 	Smalltalk os isWindows 
-		ifTrue: [  ^ LibC resultOfCommand: 'nimble refresh'  ]
+		ifTrue: [  ^ LibC resultOfCommand: 'nimble refresh'  ].
+	^ (GtSubprocessWithInMemoryOutput new
+		shellCommand: 'nimble refresh';
+		runAndWait;
+		stdout)
 ]
 
 { #category : #accessing }
@@ -57,7 +53,7 @@ Nimble class >> installed [
 				output.
 			^ process stdout lines ].
 	
-	^(GtSubprocessWithInMemoryOutput new 
+	^ (GtSubprocessWithInMemoryOutput new 
 		shellCommand: 'nimble list --installed';
 		runAndWait;
 		stdout)
@@ -66,9 +62,8 @@ Nimble class >> installed [
 { #category : #accessing }
 Nimble class >> version [
 
-	OSSUnixSubprocess new
-		command: 'nimble';
-		arguments: #('--version');
-		redirectStdout;
-		runAndWaitOnExitDo: [ :process :outString | ^ outString ]
+	^ (GtSubprocessWithInMemoryOutput new
+		shellCommand: 'nimble --version';
+		runAndWait;
+		stdout)
 ]