diff --git a/scripts/init.sh b/scripts/init.sh
index 10c771c..4072cc8 100755
--- a/scripts/init.sh
+++ b/scripts/init.sh
@@ -47,19 +47,21 @@ echo "" >> ./.env
 	&& echo "" && echo "Checking generated dhparams" && openssl dhparam -check -in ./data/nginx/certs/dhparams.pem || true
 
 # Create certificate
-echo ""
-echo "Create certificate"
-lego \
-	--path ./data/.lego \
-	--accept-tos \
-	--email="acme@base23.de" \
-	--domains="sso.base23.de" \
-	--http run
+if [[ ! -d ./data/.lego ]]; then
+	echo ""
+	echo "Create certificate"
+	lego \
+		--path ./data/.lego \
+		--accept-tos \
+		--email="acme@base23.de" \
+		--domains="sso.base23.de" \
+		--http run
 
-# Link certificates to correct directory
+	# Link certificates to correct directory
 
-ln -s ../../.lego/certificates/sso.base23.de.crt ./data/nginx/certs/sso.base23.de.crt
-ln -s ../../.lego/certificates/sso.base23.de.issuer.crt ./data/nginx/certs/sso.base23.de.issuer.crt
-ln -s ../../.lego/certificates/sso.base23.de.key ./data/nginx/certs/sso.base23.de.key
+	ln -s ../../.lego/certificates/sso.base23.de.crt ./data/nginx/certs/sso.base23.de.crt
+	ln -s ../../.lego/certificates/sso.base23.de.issuer.crt ./data/nginx/certs/sso.base23.de.issuer.crt
+	ln -s ../../.lego/certificates/sso.base23.de.key ./data/nginx/certs/sso.base23.de.key
+fi
 
 # Setup cronjob to automatically renew certificates