diff --git a/GemeindeTools.py b/GemeindeTools.py
index 60e4aca..a0dc62b 100644
--- a/GemeindeTools.py
+++ b/GemeindeTools.py
@@ -264,6 +264,10 @@ class GemeindeMessdatenImport():
         # Import-Tabelle leeren
         query = """DELETE FROM messdaten_imp;"""
         self.con.executeSql(query)
+
+        # Geometrie gültigkeit herstellen
+        query = """UPDATE messdaten SET geom = AsGPB(geom) WHERE IsValidGPB(geom) = 0;"""
+        self.con.executeSql(query)
         
         iface.mapCanvas().refreshAllLayers() 
     
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