diff --git a/nginx/letsencrypt-autogen.sh b/nginx/letsencrypt-autogen.sh
index d5642070..f35ebbe8 100644
--- a/nginx/letsencrypt-autogen.sh
+++ b/nginx/letsencrypt-autogen.sh
@@ -22,7 +22,7 @@ fi
 
 # Stop nginx if needed (free the port used by the standalone server)
 nginx_was_running="NO"
-pgrep nginx
+pgrep nginx > /dev/null
 if [ $? -eq 0 ]; then
 	killall nginx
 	nginx_was_running="YES"
diff --git a/start.sh b/start.sh
index 2e9905bc..d5a38349 100755
--- a/start.sh
+++ b/start.sh
@@ -96,7 +96,7 @@ else
 
     # Check if we need to auto-generate SSL certs via letsencrypt
     if [ "$WO_SSL" = "YES" ] && [ -z "$WO_SSL_KEY" ]; then
-        bash -c "nginx/letsencrypt-autogen.sh"
+        source ./nginx/letsencrypt-autogen.sh
     fi
 
     # Check if SSL key/certs are available