diff --git a/Dockerfile.x86 b/Dockerfile.x86
index 1639301..712442b 100644
--- a/Dockerfile.x86
+++ b/Dockerfile.x86
@@ -1,5 +1,5 @@
 FROM ubuntu:16.04
 
-RUN apt-get update && apt-get upgrade && apt-get install -y \
+RUN apt-get update && apt-get upgrade -y && apt-get install -y \
     hwloc \
  && rm -rf /var/lib/apt/lists/*