diff --git a/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php b/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php
index 7c361a9..232a5ee 100644
--- a/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php
+++ b/src/InputOutput/WSImpl/Params/DownloadImpl/WSInputOutputParamsDownloadClass.php
@@ -145,7 +145,7 @@ class WSInputOutputParamsDownloadClass extends IHMInputOutputParamsAbstractClass
 		$postProcessCmd  = "mv ".$resultFilePrefix.$firstParam."*[0-9]";
 		
 		$postProcessCmd .= $extension;
-		$postProcessCmd .= " ".WSConfigClass::getWsResultDir().$resultFile.$extension;
+		$postProcessCmd .= " \"".WSConfigClass::getWsResultDir().$resultFile.$extension."\"";
 	
 		$this->paramsData->setPostCmd($postProcessCmd);
 
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