diff --git a/edu.kit.ipd.descartes.adaptation.test/test_models/PerformanceDataRepositoryDummy.xmi b/edu.kit.ipd.descartes.adaptation.test/test_models/PerformanceDataRepositoryDummy.xmi
index d38df467416321418f5f853da8ccd31e4c7ffc46..9e11e6bb46b087bfa3a8119dd69df347680aac9b 100644
--- a/edu.kit.ipd.descartes.adaptation.test/test_models/PerformanceDataRepositoryDummy.xmi
+++ b/edu.kit.ipd.descartes.adaptation.test/test_models/PerformanceDataRepositoryDummy.xmi
@@ -32,5 +32,5 @@
   <metricTypes id="4" name="AvgRespTimeServiceSilver"/>
   <impactHistory id="3df1q3eq" name="Tactic1-AllImproved" before="123" after="assgddfs"/>
   <impactHistory id="232341241" name="Tactic2-AllImproved" before="assgddfs" after="234ersdf"/>
-  <impactHistory id="1" name="MigrationEffect1" before="m1" after="m2"/>
+  <impactHistory id="mi1" name="MigrationEffect1" before="m1" after="m2"/>
 </perfdatarepo:PerformanceDataRepository>