diff --git a/src/w_wad.cpp b/src/w_wad.cpp
index d2f4ab3a1..ee766fd7a 100644
--- a/src/w_wad.cpp
+++ b/src/w_wad.cpp
@@ -914,7 +914,7 @@ void FWadCollection::RenameNerve ()
 	if (gameinfo.gametype != GAME_Doom)
 		return;
 
-	const int numnerveversions = 2;
+	const int numnerveversions = 4;
 
 	bool found = false;
 	uint8_t cksum[16];
@@ -922,9 +922,13 @@ void FWadCollection::RenameNerve ()
 			{ 0x96, 0x7d, 0x5a, 0xe2, 0x3d, 0xaf, 0x45, 0x19,
 				0x62, 0x12, 0xae, 0x1b, 0x60, 0x5d, 0xa3, 0xb0 },
 			{ 0x42, 0x14, 0xc4, 0x76, 0x51, 0xb6, 0x3e, 0xe2,
-				0x25, 0x7b, 0x1c, 0x24, 0x90, 0xa5, 0x18, 0xc9 }
-		};
-	size_t nervesize[numnerveversions] = { 3819855, 3821966 } ; // NERVE.WAD's file size
+				0x25, 0x7b, 0x1c, 0x24, 0x90, 0xa5, 0x18, 0xc9 },
+			{ 0x35, 0x44, 0xe1, 0x90, 0x30, 0x91, 0xc5, 0x0b,
+				0xa5, 0x00, 0x49, 0xdb, 0x74, 0xcd, 0x7d, 0x25 },
+			{ 0x91, 0x43, 0xb3, 0x92, 0x39, 0x2a, 0x7a, 0xc8,
+				0x70, 0xc2, 0xca, 0x36, 0xac, 0x65, 0xaf, 0x45 }
+	};
+	size_t nervesize[numnerveversions] = { 3819855, 3821966, 3821885, 4003409 }; // NERVE.WAD's file size
 	int w = GetIwadNum();
 	while (++w < GetNumWads())
 	{