diff --git a/create-geojson.sh b/create-geojson.sh
index a8e0321..4197df0 100755
--- a/create-geojson.sh
+++ b/create-geojson.sh
@@ -2,10 +2,11 @@
 echo "this takes some time depending on the amount of addresses in your lists …"
 for file in *-csv ; do
 	out=$(echo "${file}"|cut -d- -f1)".geojson"
-	if test -e "${out}" ; do
+	if test -e "${out}" ; then
 		echo "file exists: ${out}, skipping."
 		continue
 	fi
 	echo ./lookup.py "${file}"
-	./lookup.py "${file}" 2>/dev/null > "${out}"
+	./lookup.py "${file}" > "${out}"
+	#~ ./lookup.py "${file}" 2>/dev/null > "${out}"
 done
diff --git a/lookup.py b/lookup.py
index f19928f..3af94d0 100755
--- a/lookup.py
+++ b/lookup.py
@@ -5,7 +5,14 @@ from geopy import Nominatim
 # ~ import json
 import sys
 
-import sys
+#disable ssl verification
+import ssl
+import geopy.geocoders
+ctx = ssl.create_default_context()
+ctx.check_hostname = False
+ctx.verify_mode = ssl.CERT_NONE
+geopy.geocoders.options.default_ssl_context = ctx
+#/
 
 # debug print to stderr, https://stackoverflow.com/questions/5574702/how-to-print-to-stderr-in-python
 def eprint(*args, **kwargs):
diff --git a/prepare.sh b/prepare.sh
index ced632e..042bb9e 100755
--- a/prepare.sh
+++ b/prepare.sh
@@ -14,12 +14,12 @@ fi
 if test -e ct-csv ; then
 	echo "$fae"
 else
-	curl -o ct-csv "https://${auth}doku.ccc.de/Spezial:Semantische_Suche/-5B-5BKategorie:Chaostreffs-5D-5D-20-5B-5BChaostreff-2DIs-2DErfa::falsch-5D-5D-20-5B-5BChaostreff-2DActive::wahr-5D-5D/-3FChaostreff-2DCity%3DLabel/-3FChaostreff-2DPhysical-2DAddress%3DAdresse/-3FChaostreff-2DPhysical-2DHousenumber%3DHausnummer/-3FChaostreff-2DPhysical-2DPostcode%3DPLZ/-3FChaostreff-2DPhysical-2DCity%3DStadt/-3FChaostreff-2DCountry%3DLand/mainlabel%3D/limit%3D100/order%3DASC/sort%3DChaostreff-2DCity/offset%3D0/format%3Dcsv/headers%3Dshow/searchlabel%3DCSV/sep%3D,/filename%3Dct-2Dbesuchsadressen.csv"
+	curl -k -o ct-csv "https://${auth}doku.ccc.de/Spezial:Semantische_Suche/-5B-5BKategorie:Chaostreffs-5D-5D-20-5B-5BChaostreff-2DIs-2DErfa::falsch-5D-5D-20-5B-5BChaostreff-2DActive::wahr-5D-5D/-3FChaostreff-2DCity%3DLabel/-3FChaostreff-2DPhysical-2DAddress%3DAdresse/-3FChaostreff-2DPhysical-2DHousenumber%3DHausnummer/-3FChaostreff-2DPhysical-2DPostcode%3DPLZ/-3FChaostreff-2DPhysical-2DCity%3DStadt/-3FChaostreff-2DCountry%3DLand/mainlabel%3D/limit%3D100/order%3DASC/sort%3DChaostreff-2DCity/offset%3D0/format%3Dcsv/headers%3Dshow/searchlabel%3DCSV/sep%3D,/filename%3Dct-2Dbesuchsadressen.csv"
 fi
 if test -e erfa-csv ; then
 	echo "$fae"
 else
-	curl -o erfa-csv "https://${auth}doku.ccc.de/Spezial:Semantische_Suche/-5B-5BKategorie:Erfa-2DKreise-5D-5D-20-5B-5BChaostreff-2DActive::wahr-5D-5D/-3FChaostreff-2DCity%3DLabel/-3FChaostreff-2DPhysical-2DAddress%3DAdresse/-3FChaostreff-2DPhysical-2DHousenumber%3DHausnummer/-3FChaostreff-2DPhysical-2DPostcode%3DPLZ/-3FChaostreff-2DPhysical-2DCity%3DStadt/-3FChaostreff-2DCountry%3DLand/mainlabel%3D/limit%3D100/order%3DASC/sort%3DChaostreff-2DCity/offset%3D0/format%3Dcsv/headers%3Dshow/searchlabel%3DCSV/sep%3D,/filename%3Derfa-2Dbesuchsadressen.csv"
+	curl -k -o erfa-csv "https://${auth}doku.ccc.de/Spezial:Semantische_Suche/-5B-5BKategorie:Erfa-2DKreise-5D-5D-20-5B-5BChaostreff-2DActive::wahr-5D-5D/-3FChaostreff-2DCity%3DLabel/-3FChaostreff-2DPhysical-2DAddress%3DAdresse/-3FChaostreff-2DPhysical-2DHousenumber%3DHausnummer/-3FChaostreff-2DPhysical-2DPostcode%3DPLZ/-3FChaostreff-2DPhysical-2DCity%3DStadt/-3FChaostreff-2DCountry%3DLand/mainlabel%3D/limit%3D100/order%3DASC/sort%3DChaostreff-2DCity/offset%3D0/format%3Dcsv/headers%3Dshow/searchlabel%3DCSV/sep%3D,/filename%3Derfa-2Dbesuchsadressen.csv"
 fi
 # preprocess csv data
 for file in ct-csv erfa-csv ; do