diff --git a/Dockerfile b/Dockerfile
index 706cfe3..6efdb9b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM vikunja/frontend
 
-RUN apt-get update && apt-install -y openssl && \
+RUN apt-get update && apt-get install -y openssl && \
   add openssl && `# Prepare dummy SSL certificates` \
   mkdir -p /etc/nginx/ssl && \
   openssl genrsa -out /etc/nginx/ssl/dummy.key 2048 && \