diff --git a/Source/MFCDialog/CMakeSetupDialog.cpp b/Source/MFCDialog/CMakeSetupDialog.cpp
index 36ca7040be..b95d780187 100644
--- a/Source/MFCDialog/CMakeSetupDialog.cpp
+++ b/Source/MFCDialog/CMakeSetupDialog.cpp
@@ -894,7 +894,10 @@ void CMakeSetupDialog::OnOk()
   m_CacheEntriesList.ClearDirty();
   this->RunCMake(true);
   cmMakefileGenerator::UnRegisterGenerators();
-  CDialog::OnOK();
+  if (!(::GetKeyState(VK_SHIFT) & 0x1000))
+    {
+    CDialog::OnOK();
+    }
 }
 
 void CMakeSetupDialog::OnEditchangeGenerator()