diff --git a/build/build-win64-from-linux.sh b/build/build-win64-from-linux.sh
index 11f4dbbc5..c0559a999 100755
--- a/build/build-win64-from-linux.sh
+++ b/build/build-win64-from-linux.sh
@@ -41,6 +41,8 @@ fi
 if ! docker run --rm -i -v "$srcdir":/src -v "$srcdir/build/win64-cross/":/src/build  \
     -e BUILDER_UID=$builder_uid \
     -e CCACHE_DIR=/src/build/ccache \
+    -e steam_username \
+    -e steam_password \
     --name dfhack-win \
     ghcr.io/dfhack/build-env:msvc \
     bash -c "cd /src/build && dfhack-configure windows 64 Release -DCMAKE_INSTALL_PREFIX=/src/build/output cmake .. -DBUILD_DOCS=1 $CMAKE_EXTRA_ARGS && dfhack-make -j$jobs install" \