diff --git a/indra/newview/installers/windows/installer_template.nsi b/indra/newview/installers/windows/installer_template.nsi
index 3117cf6b8504f97b81cca30a2ef42b6a2c0a4a85..76187b49a574135284c60232bf0a315a419cd0a4 100644
--- a/indra/newview/installers/windows/installer_template.nsi
+++ b/indra/newview/installers/windows/installer_template.nsi
@@ -708,7 +708,7 @@ Function .onInstSuccess
         # Quote the updater executable and the viewer executable because each
         # must be a distinct command-line token, but DO NOT quote the language
         # string because it must decompose into separate command-line tokens.
-        Exec '"$INSTDIR\$INSTEXE" "$INSTDIR\$VIEWER_EXE" $SHORTCUT_LANG_PARAM'
+        Exec '"$INSTDIR\$INSTEXE" precheck "$INSTDIR\$VIEWER_EXE" $SHORTCUT_LANG_PARAM'
         Pop $R0
 # 
 FunctionEnd