diff --git a/bwreg-service/src/main/java/edu/kit/scc/webreg/service/impl/UserUpdater.java b/bwreg-service/src/main/java/edu/kit/scc/webreg/service/impl/UserUpdater.java
index 666f0647fc14b63109f0f8e07117f3e32db4486b..c2357dbb5172b9bab6714bd4696b784586224a17 100644
--- a/bwreg-service/src/main/java/edu/kit/scc/webreg/service/impl/UserUpdater.java
+++ b/bwreg-service/src/main/java/edu/kit/scc/webreg/service/impl/UserUpdater.java
@@ -453,6 +453,11 @@ public class UserUpdater implements Serializable {
 				return false;
 			}
 			
+			if (actualValue == null && value == null) {
+				// Value stayed null
+				return false;
+			}
+			
 			if (actualValue == null) {
 				s = "null";
 				action = "SET FIELD";