diff --git a/windows/start.sh b/windows/start.sh
index c5548024f4..1652cedb51 100644
--- a/windows/start.sh
+++ b/windows/start.sh
@@ -63,5 +63,9 @@ echo "For help getting started, check out the docs at https://docs.docker.com"
 echo
 cd
 
-alias docker="MSYS_NO_PATHCONV=1 docker"
+docker () {
+  MSYS_NO_PATHCONV=1 docker.exe $@
+}
+export -f docker
+
 exec "$BASH" --login -i