diff --git a/multiarc/src/ArcPlg.cpp b/multiarc/src/ArcPlg.cpp
index 77e205bf1..6bc4ae554 100644
--- a/multiarc/src/ArcPlg.cpp
+++ b/multiarc/src/ArcPlg.cpp
@@ -81,6 +81,10 @@ ArcPlugins::ArcPlugins(const char *ModuleName)
 			LZH_GetDefaultCommands, LZH_SetFarInfo, LZH_GetSFXPos);
 #endif
 
+	AddPluginItem(CUSTOM_IsArchive, CUSTOM_OpenArchive, CUSTOM_GetArcItem, CUSTOM_LoadFormatModule,
+			CUSTOM_CloseArchive, CUSTOM_GetFormatName, CUSTOM_GetDefaultCommands, CUSTOM_SetFarInfo,
+			CUSTOM_GetSFXPos);
+
 #ifdef HAVE_LIBARCHIVE
 	// must be last cuz recognizes essentially most of above formats, but not handles them full-featurable
 	AddPluginItem(LIBARCH_IsArchive, LIBARCH_OpenArchive, LIBARCH_GetArcItem, NULL, LIBARCH_CloseArchive,