diff --git a/loader/src/common/common.h b/loader/src/common/common.h
index 2e8d703..a04e83b 100644
--- a/loader/src/common/common.h
+++ b/loader/src/common/common.h
@@ -28,10 +28,11 @@ extern "C" {
 #define DEFAULT_WUPSLOADER_PATH     SD_PATH WIIU_PATH "/apps/wiiupluginsystem"
 #define DEFAULT_LANG_PATH           DEFAULT_WUPSLOADER_PATH "/languages"
 #define LANGUAGE_FILE_EXT           ".lang"
+#define PLUGIN_FILE_EXT             ".mod"
 
 #define WUPS_PLUGIN_PATH            SD_PATH WIIU_PATH "/plugins"
 #define WUPS_TEMP_PLUGIN_PATH       SD_PATH WIIU_PATH "/plugins/temp"
-#define WUPS_TEMP_PLUGIN_FILE       WUPS_TEMP_PLUGIN_PATH "/temp.mod"
+#define WUPS_TEMP_PLUGIN_FILE       WUPS_TEMP_PLUGIN_PATH "/temp" PLUGIN_FILE_EXT
 
 #define WUPS_SDUSB_MOUNTED_NONE     0
 #define WUPS_SDUSB_MOUNTED_FAKE          (1<<0)