diff --git a/metasfresh-webui-api/src/main/java/de/metas/ui/web/debug/DebugRestController.java b/metasfresh-webui-api/src/main/java/de/metas/ui/web/debug/DebugRestController.java
index 8058f1fff..5adc87376 100644
--- a/metasfresh-webui-api/src/main/java/de/metas/ui/web/debug/DebugRestController.java
+++ b/metasfresh-webui-api/src/main/java/de/metas/ui/web/debug/DebugRestController.java
@@ -107,6 +107,8 @@ public void cacheReset()
 		documentCollection.cacheReset();
 		menuTreeRepo.cacheReset();
 		pinstancesRepo.cacheReset();
+		
+		System.gc();
 	}
 
 	private static final void logResourceValueChanged(final String name, final Object value, final Object valueOld)