diff --git a/src/main/java/nl/tudelft/queue/service/RequestService.java b/src/main/java/nl/tudelft/queue/service/RequestService.java
index baf0ee3c416dec2a59f0a728b0049da86bfa9753..f09c35dcaa8f7cfb68455df55a29df9fcdf14fef 100644
--- a/src/main/java/nl/tudelft/queue/service/RequestService.java
+++ b/src/main/java/nl/tudelft/queue/service/RequestService.java
@@ -401,7 +401,6 @@ public class RequestService {
 			Optional<LabRequest> oldRequests = lrr.findCurrentlyProcessingRequest(assistant,
 					request.getSession());
 			if (oldRequests.isPresent()) {
-				lock.unlock();
 				return oldRequests.get();
 			}
 			rer.applyAndSave(new RequestPickedEvent(request, assistant.getId()));