diff --git a/CI/install-qt-win.cmd b/CI/install-qt-win.cmd
index 46e14e8ad..e3dd99b54 100644
--- a/CI/install-qt-win.cmd
+++ b/CI/install-qt-win.cmd
@@ -1,4 +1,4 @@
-curl -kLO https://cdn-fastly.obsproject.com/downloads/Qt_5.10.1.7z -f --retry 5 -C -
+if exist Qt_5.10.1.7z (curl -kLO https://cdn-fastly.obsproject.com/downloads/Qt_5.10.1.7z -f --retry 5 -z Qt_5.10.1.7z) else (curl -kLO https://cdn-fastly.obsproject.com/downloads/Qt_5.10.1.7z -f --retry 5 -C -)
 7z x Qt_5.10.1.7z -oQt
 mv Qt C:\QtDep
 dir C:\QtDep
\ No newline at end of file