diff --git a/doc/fixes5-0-1.txt b/doc/fixes5-0-1.txt
index 6e1c22cc1..3ae31483f 100644
--- a/doc/fixes5-0-1.txt
+++ b/doc/fixes5-0-1.txt
@@ -87,6 +87,7 @@ upon return to a level, catch up on remaining nutrition value by the same
 	percentage as the catch up for the weight
 after polymorph or revival from corpse, monsters were not interacting with
 	the terrain until that monster's next move
+fix undead corpses (zombies, etc.) now being edible
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/include/hack.h b/include/hack.h
index a7c28315d..cc7a0e5b5 100644
--- a/include/hack.h
+++ b/include/hack.h
@@ -1417,7 +1417,8 @@ typedef uint32_t mmflags_nht;     /* makemon MM_ flags */
 #define HEALTHY_TIN (-3)
 
 /* Corpse aging */
-#define TAINT_AGE (50L)        /* age when corpses go bad */
+#define INEDIBLE_AGE (50L)        /* age when corpses go bad */
+#define TAINT_AGE (100L)      /* This was the 3.6 value */
 #define TROLL_REVIVE_CHANCE 37 /* 1/37 chance for 50 turns ~ 75% chance */
 #define ROT_AGE (250L)         /* age when corpses rot away */
 
diff --git a/src/mklev.c b/src/mklev.c
index c3d7a8a54..210dd90ce 100644
--- a/src/mklev.c
+++ b/src/mklev.c
@@ -1934,7 +1934,7 @@ mktrap_victim(struct trap *ttmp)
     if (victim_mnum == PM_HUMAN && rn2(25))
         victim_mnum = rn1(PM_WIZARD - PM_ARCHEOLOGIST, PM_ARCHEOLOGIST);
     otmp = mkcorpstat(CORPSE, NULL, &mons[victim_mnum], x, y, CORPSTAT_INIT);
-    otmp->age -= (TAINT_AGE + 1); /* died too long ago to safely eat */
+    otmp->age -= (INEDIBLE_AGE + 1); /* died too long ago to safely eat */
 }
 
 /* pick a random trap type, return NO_TRAP if "too hard" */