diff --git a/src/Helper/NominatimGeoCodeService.php b/src/Helper/NominatimGeoCodeService.php
index 3d514b076..432167a46 100644
--- a/src/Helper/NominatimGeoCodeService.php
+++ b/src/Helper/NominatimGeoCodeService.php
@@ -19,9 +19,11 @@ class NominatimGeoCodeService implements GeoCodeService {
 	 * @param $addressString
 	 *
 	 * @return ?Location
+	 * @throws \Exception
 	 */
 	public function getAddressData( $addressString ): ?Location {
-		$defaultUserAgent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0';
+		
+		$defaultUserAgent = 'CommonsBooking v.' . COMMONSBOOKING_VERSION . " Contact: mail@commonsbooking.org";
 
 		$client = new Client(
 			null,
@@ -49,4 +51,4 @@ public function getAddressData( $addressString ): ?Location {
 
 		return null;
 	}
-}
\ No newline at end of file
+}