diff --git a/Contrib/nsDialogs/InstallOptions.nsi b/Contrib/nsDialogs/InstallOptions.nsi
index c320da5e..9fe173c5 100644
--- a/Contrib/nsDialogs/InstallOptions.nsi
+++ b/Contrib/nsDialogs/InstallOptions.nsi
@@ -12,6 +12,7 @@ XPStyle on
 ShowInstDetails show
 
 !include nsDialogs.nsh
+!insertmacro NSD_FUNCTION_INIFILE
 
 Function nsDialogsIO