diff --git a/build.sh b/build.sh
index 878aa45ce37381e373e31db4b6948f69368bbc19..806e0fada72601d3baa9210370f1327d9108842c 100755
--- a/build.sh
+++ b/build.sh
@@ -59,6 +59,7 @@ pre_build()
     -t $variant \
     -G "$cmake_generator" \
    configure \
+	-DGRID:STRING="$viewer_grid" \
     -DVIEWER_CHANNEL:STRING="$viewer_channel" \
     -DVIEWER_LOGIN_CHANNEL:STRING="$login_channel" \
     -DINSTALL_PROPRIETARY:BOOL=ON \