diff --git a/ionic/install_windows_src.md b/ionic/install_windows_src.md
index e86d7a988..b89fb9391 100644
--- a/ionic/install_windows_src.md
+++ b/ionic/install_windows_src.md
@@ -104,7 +104,7 @@ colcon graph
 If that is the case, then you are ready to build the whole set of libraries:
 
 ```bash
-colcon build --cmake-args -DBUILD_TESTING=OFF --merge-install --packages-up-to gz-sim9 gz-tools2
+colcon build --cmake-args -DBUILD_TESTING=OFF -DSKIP_SWIG=ON --merge-install --packages-up-to gz-sim9 gz-tools2
 ```
 Tests are turned off as they are not currently supported on Windows.