diff --git a/wadsrc/static/zscript/constants.txt b/wadsrc/static/zscript/constants.txt
index 9e9d4dae8..a74b61d16 100644
--- a/wadsrc/static/zscript/constants.txt
+++ b/wadsrc/static/zscript/constants.txt
@@ -214,20 +214,23 @@ enum ESelectWeaponFlags
 // Morph constants
 enum EMorphFlags
 {
-	MRF_ADDSTAMINA = 1,
-	MRF_FULLHEALTH = 2,
-	MRF_UNDOBYTOMEOFPOWER = 4,
-	MRF_UNDOBYCHAOSDEVICE = 8,
-	MRF_FAILNOTELEFRAG = 16,
-	MRF_FAILNOLAUGH = 32,
-	MRF_WHENINVULNERABLE = 64,
-	MRF_LOSEACTUALWEAPON = 128,
-	MRF_NEWTIDBEHAVIOUR = 256,
-	MRF_UNDOBYDEATH = 512,
-	MRF_UNDOBYDEATHFORCED = 1024,
-	MRF_UNDOBYDEATHSAVES = 2048,
-	MRF_UNDOALWAYS = 4096,
-	MRF_TRANSFERTRANSLATION = 8192,
+	MRF_OLDEFFECTS			= 0x00000000,
+	MRF_ADDSTAMINA			= 0x00000001,
+	MRF_FULLHEALTH			= 0x00000002,
+	MRF_UNDOBYTOMEOFPOWER	= 0x00000004,
+	MRF_UNDOBYCHAOSDEVICE	= 0x00000008,
+	MRF_FAILNOTELEFRAG		= 0x00000010,
+	MRF_FAILNOLAUGH			= 0x00000020,
+	MRF_WHENINVULNERABLE	= 0x00000040,
+	MRF_LOSEACTUALWEAPON	= 0x00000080,
+	MRF_NEWTIDBEHAVIOUR		= 0x00000100,
+	MRF_UNDOBYDEATH			= 0x00000200,
+	MRF_UNDOBYDEATHFORCED	= 0x00000400,
+	MRF_UNDOBYDEATHSAVES	= 0x00000800,
+	MRF_UNDOBYTIMEOUT		= 0x00001000,
+	MRF_UNDOALWAYS			= 0x00002000,
+	MRF_TRANSFERTRANSLATION = 0x00004000,
+	MRF_STANDARDUNDOING	= MORPH_UNDOBYTOMEOFPOWER | MORPH_UNDOBYCHAOSDEVICE | MORPH_UNDOBYTIMEOUT,
 };
 
 // Flags for A_RailAttack and A_CustomRailgun