diff --git a/src/windows/options.nsi b/src/windows/options.nsi
index 6f629b8ed..adb86786c 100644
--- a/src/windows/options.nsi
+++ b/src/windows/options.nsi
@@ -65,8 +65,8 @@ RequestExecutionLevel admin
 ;Installer Pages
 !insertmacro MUI_PAGE_WELCOME
 !insertmacro MUI_PAGE_LICENSE "license.txt"
-!define MUI_PAGE_CUSTOMFUNCTION_LEAVE check_instance
 !insertmacro MUI_PAGE_COMPONENTS
+!define MUI_PAGE_CUSTOMFUNCTION_LEAVE check_instance
 !insertmacro MUI_PAGE_DIRECTORY
 !insertmacro MUI_PAGE_INSTFILES
 !insertmacro MUI_PAGE_FINISH