diff --git a/deploy/qgroundcontrol_installer.nsi b/deploy/qgroundcontrol_installer.nsi
index e69741bceefa3da8313b232f0f6721cbf2971fa1..b3a8a3c83e9d92ae96814a74afd27c726379fdfb 100644
--- a/deploy/qgroundcontrol_installer.nsi
+++ b/deploy/qgroundcontrol_installer.nsi
@@ -71,8 +71,7 @@ check64BitUninstall:
   StrCmp $R0 "" doInstall
 
 doUninstall:
-  DetailPrint "Uninstalling previous version..."  
-  ExecWait "$R0 /S -LEAVE_DATA=1"
+  DetailPrint "Uninstalling previous version..."
  ExecWait "$R0 /S -LEAVE_DATA=1 _?=$INSTDIR"
   IntCmp $0 0 doInstall
 
   MessageBox MB_OK|MB_ICONEXCLAMATION \