diff --git a/membership/src/main/java/de/bstly/we/membership/businesslogic/MembershipManager.java b/membership/src/main/java/de/bstly/we/membership/businesslogic/MembershipManager.java
index 54aea20..dceb81d 100644
--- a/membership/src/main/java/de/bstly/we/membership/businesslogic/MembershipManager.java
+++ b/membership/src/main/java/de/bstly/we/membership/businesslogic/MembershipManager.java
@@ -715,7 +715,13 @@ public class MembershipManager {
 	 */
 	protected List<JsonObject> fetchAllOrderPositions(String path, MultiValueMap<String, String> queryParams,
 			List<JsonObject> result) {
-		JsonObject orderPositions = pretixManager.request(path, HttpMethod.GET, queryParams).getAsJsonObject();
+		JsonElement response = pretixManager.request(path, HttpMethod.GET, queryParams);
+
+		if (response == null) {
+			return result;
+		}
+
+		JsonObject orderPositions = response.getAsJsonObject();
 
 		for (JsonElement element : orderPositions.getAsJsonArray("results")) {
 			JsonObject orderPosition = element.getAsJsonObject();