diff --git a/Dockerfile b/Dockerfile
index d0dbf6c..45517ef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ USER root
 WORKDIR /var/www
 
 # MySQL 5.7 (Homefully not version 8...)
-RUN DEBIAN_FRONTEND=noninteractive
+RUN DEBIAN_FRONTEND=noninteractive \
     apt-get update && apt-get install -y --no-install-recommends \
     mysql-server \
     nginx \