diff --git a/contrib/build.Dockerfile b/contrib/build.Dockerfile
index 76521b778..bcfc2bbbd 100644
--- a/contrib/build.Dockerfile
+++ b/contrib/build.Dockerfile
@@ -27,8 +27,9 @@ ARG DOKKU_VERSION=master
 ARG DOKKU_GIT_REV
 ARG IS_RELEASE=false
 
-RUN PATH=$PATH:/usr/local/go/bin GOPATH=/go \
-    PLUGIN_MAKE_TARGET=${PLUGIN_MAKE_TARGET} \
+ENV GOPATH=/go
+
+RUN PLUGIN_MAKE_TARGET=${PLUGIN_MAKE_TARGET} \
     DOKKU_VERSION=${DOKKU_VERSION} \
     DOKKU_GIT_REV=${DOKKU_GIT_REV} \
     IS_RELEASE=${IS_RELEASE} \