diff --git a/regapp-as/src/main/java/edu/kit/scc/webreg/as/AttributeSourceUpdater.java b/regapp-as/src/main/java/edu/kit/scc/webreg/as/AttributeSourceUpdater.java
index e0fd912fc0bc4c4c1c82b97133b3ec526cb854be..20e4e017dafea08c741638f424a1af3d2bd73d1f 100644
--- a/regapp-as/src/main/java/edu/kit/scc/webreg/as/AttributeSourceUpdater.java
+++ b/regapp-as/src/main/java/edu/kit/scc/webreg/as/AttributeSourceUpdater.java
@@ -73,6 +73,11 @@ public class AttributeSourceUpdater implements Serializable {
 
 		ASUserAttrEntity asUserAttr = findASUserAttr(user, attributeSource);
 
+		if (attributeSource.getAsProps() != null && attributeSource.getAsProps().containsKey("disabled")
+				&& attributeSource.getAsProps().get("disabled").equalsIgnoreCase("true")) {
+			return changed;
+		}
+
 		// Default expiry Time after for Attribute Update
 		Long expireTime = 30000L;