diff --git a/src/d_main.c b/src/d_main.c
index 0c071252c..94ee87983 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -1065,14 +1065,32 @@ static void IdentifyVersion(void)
 	// if you change the ordering of this or add/remove a file, be sure to update the md5
 	// checking in D_SRB2Main
 
+#if defined (TESTERS) || defined (HOSTTESTERS)
+////
+#define TEXTURESNAME "MISC_TEXTURES.pk3"
+#define MAPSNAME "MISC_MAPS.pk3"
+#define PATCHNAME "MISC_PATCH.pk3"
+////
+#else
+////
+#define TEXTURESNAME "textures.pk3"
+#define MAPSNAME "maps.pk3"
+#define PATCHNAME "patch.pk3"
+////
+#endif
+////
 	D_AddFile(startupiwads, va(pandf,srb2waddir,"gfx.pk3"));
-	D_AddFile(startupiwads, va(pandf,srb2waddir,"MISC_TEXTURES.pk3"));
+	D_AddFile(startupiwads, va(pandf,srb2waddir,TEXTURESNAME));
 	D_AddFile(startupiwads, va(pandf,srb2waddir,"chars.pk3"));
-	D_AddFile(startupiwads, va(pandf,srb2waddir,"MISC_MAPS.pk3"));
+	D_AddFile(startupiwads, va(pandf,srb2waddir,MAPSNAME));
 	D_AddFile(startupiwads, va(pandf,srb2waddir,"followers.pk3"));
 #ifdef USE_PATCH_FILE
-	D_AddFile(startupiwads, va(pandf,srb2waddir,"patch.pk3"));
+	D_AddFile(startupiwads, va(pandf,srb2waddir,PATCHNAME));
 #endif
+////
+#undef TEXTURESNAME
+#undef MAPSNAME
+#undef PATCHNAME
 
 #if !defined (HAVE_SDL) || defined (HAVE_MIXER)