diff --git a/GaelO2/app/GaelO/UseCases/ExportStudyData/ExportStudyData.php b/GaelO2/app/GaelO/UseCases/ExportStudyData/ExportStudyData.php
index 5d1bedf5..23814e86 100644
--- a/GaelO2/app/GaelO/UseCases/ExportStudyData/ExportStudyData.php
+++ b/GaelO2/app/GaelO/UseCases/ExportStudyData/ExportStudyData.php
@@ -26,6 +26,9 @@ public function execute(ExportStudyDataRequest $exportStudyDataRequest, ExportSt
 
         try {
 
+            #increase memory limit as php zip stores metadata file in memory until final generation of zip
+            ini_set("memory_limit", "512")
+
             $studyName = $exportStudyDataRequest->studyName;
 
             $this->checkAuthorization($exportStudyDataRequest->currentUserId, $studyName);