diff --git a/streets.ps1 b/streets.ps1
index b2dd8cd..c08360d 100644
--- a/streets.ps1
+++ b/streets.ps1
@@ -18,7 +18,7 @@ $replacementList = @(
 
 $featureList = Import-Csv ./data.csv
 | Sort-Object -Unique Strassenname
-| Group-Object Wahllokal1
+| Group-Object {$_.Wahllokal1,$_.Wahllokal2,$_.Wahllokal3 -join ' '}
 | ForEach-Object {
     $pollingStation = $_