diff --git a/Dockerfile.moth-devel b/Dockerfile.moth-devel
index 8058a5b..ba6a4d8 100644
--- a/Dockerfile.moth-devel
+++ b/Dockerfile.moth-devel
@@ -7,4 +7,4 @@ COPY . /moth/
 COPY example-puzzles /puzzles/
 
 WORKDIR /moth/
-ENTRYPOINT ["python3", "/moth/tools/devel-server.py", "--bind", ":8080", "--puzzles", "/puzzles"]
+ENTRYPOINT ["python3", "/moth/devel/devel-server.py", "--bind", ":8080", "--puzzles", "/puzzles"]
diff --git a/build.sh b/build.sh
index 12792c2..d0cec51 100755
--- a/build.sh
+++ b/build.sh
@@ -6,6 +6,6 @@ version=$(date +%Y%m%d%H%M)
 
 for img in moth moth-devel; do
     echo "==== $img"
-    docker build --build-arg http_proxy=$http_proxy --tag dirtbags/$img --tag dirtbags/$img:$version -f Dockerfile.$img .
+    sudo docker build --build-arg http_proxy=$http_proxy --build-arg https_proxy=$https_proxy --tag dirtbags/$img --tag dirtbags/$img:$version -f Dockerfile.$img .
     [ "$1" = "-push" ] && docker push dirtbags/$img:$version && docker push dirtbags/$img
 done