diff --git a/assets/CMakeLists.txt b/assets/CMakeLists.txt
index 0636c1e59..095349418 100644
--- a/assets/CMakeLists.txt
+++ b/assets/CMakeLists.txt
@@ -19,7 +19,8 @@ set(SRB2_ASSET_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/installer"
 set(SRB2_ASSET_HASHED
 "srb2.pk3;\
 player.dta;\
-zones.pk3"
+zones.pk3;\
+patch.pk3"
 	CACHE STRING "Asset filenames to apply MD5 checks. No spaces between entries!"
 )
 
diff --git a/src/config.h.in b/src/config.h.in
index 498f3086d..4926f9a06 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -27,13 +27,13 @@
 
 /* Manually defined asset hashes for non-CMake builds
  * Last updated 2020 / 02 / 15 - v2.2.1 - main assets
- * Last updated 20?? / ?? / ?? - v2.2.? - patch.pk3
+ * Last updated 2020 / 02 / 22 - v2.2.2 - patch.pk3
  */
 #define ASSET_HASH_SRB2_PK3   "0277c9416756627004e83cbb5b2e3e28"
 #define ASSET_HASH_ZONES_PK3  "f7e88afb6af7996a834c7d663144bead"
 #define ASSET_HASH_PLAYER_DTA "ad49e07b17cc662f1ad70c454910b4ae"
 #ifdef USE_PATCH_DTA
-#define ASSET_HASH_PATCH_PK3  "there is no patch.pk3, only zuul"
+#define ASSET_HASH_PATCH_PK3  "ee54330ecb743314c5f962af4db731ff"
 #endif
 
 #endif
diff --git a/src/d_main.c b/src/d_main.c
index d43d57b0b..904ab3bf1 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -1215,14 +1215,14 @@ void D_SRB2Main(void)
 	W_InitMultipleFiles(startupwadfiles, mainwads);
 	D_CleanFile();
 
-#ifndef DEVELOP // md5s last updated 16/02/20 (ddmmyy)
+#ifndef DEVELOP // md5s last updated 22/02/20 (ddmmyy)
 
 	// Check MD5s of autoloaded files
 	W_VerifyFileMD5(0, ASSET_HASH_SRB2_PK3); // srb2.pk3
 	W_VerifyFileMD5(1, ASSET_HASH_ZONES_PK3); // zones.pk3
 	W_VerifyFileMD5(2, ASSET_HASH_PLAYER_DTA); // player.dta
 #ifdef USE_PATCH_DTA
-	W_VerifyFileMD5(3, ASSET_HASH_PATCH_DTA); // patch.pk3
+	W_VerifyFileMD5(3, ASSET_HASH_PATCH_PK3); // patch.pk3
 #endif
 	// don't check music.dta because people like to modify it, and it doesn't matter if they do
 	// ...except it does if they slip maps in there, and that's what W_VerifyNMUSlumps is for.
diff --git a/src/doomdef.h b/src/doomdef.h
index b5313d479..71c885019 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -152,7 +152,7 @@ extern char logfilename[1024];
 
 // Does this version require an added patch file?
 // Comment or uncomment this as necessary.
-//#define USE_PATCH_DTA
+#define USE_PATCH_DTA
 
 // Use .kart extension addons
 //#define USE_KART