diff --git a/files/nginx/Dockerfile b/files/nginx/Dockerfile
index 8a1b6b8..8d8f02b 100644
--- a/files/nginx/Dockerfile
+++ b/files/nginx/Dockerfile
@@ -1,3 +1,3 @@
 FROM nginx:latest
 
-RUN sed 's/\#gzip.*on;/server_tokens\toff;\n    #gzip\ton;/' /etc/nginx/nginx.conf
+RUN sed -i 's/\#gzip.*on;/server_tokens\toff;\n    #gzip\ton;/' /etc/nginx/nginx.conf
diff --git a/templates/default.conf.j2 b/templates/default.conf.j2
index b5bfee6..2321799 100644
--- a/templates/default.conf.j2
+++ b/templates/default.conf.j2
@@ -12,8 +12,8 @@
         listen 4443 ssl;
 
         server_name {{ inventory_hostname | default('ansible_undefined_host') }};
-        ssl_certificate /etc/nginx/certs/{{ inventory_hostname | default('ansible_undefined_host') }}.crt
-        ssl_certificate_key /etc/nginx/certs/{{ inventory_hostname | default('ansible_undefined_host') }}.key
+        ssl_certificate /etc/nginx/certs/{{ inventory_hostname | default('ansible_undefined_host') }}.crt;
+        ssl_certificate_key /etc/nginx/certs/{{ inventory_hostname | default('ansible_undefined_host') }}.key;
 
         # HSTS settings
         # WARNING: Only add the preload option once you read about