diff --git a/doc/fixes34.2 b/doc/fixes34.2
index 89e3c5313..7738c4e4a 100644
--- a/doc/fixes34.2
+++ b/doc/fixes34.2
@@ -91,6 +91,8 @@ hostile monsters who follow you between levels won't do so if they're fleeing
 options for font_size for map, menu, message, status, and text all had the 
 	same description of "the size of the map font" in options.c
 when dismounting by choice and unimpaired, try not to land in a known trap
+when jousting a pudding into a polymorh trap, it was possible to end up
+	with two of the new type of monster
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/uhitm.c b/src/uhitm.c
index 7027ab05b..45517c483 100644
--- a/src/uhitm.c
+++ b/src/uhitm.c
@@ -970,6 +970,7 @@ int thrown;
 	    /* avoid migrating a dead monster */
 	    if (mon->mhp > tmp) {
 		mhurtle(mon, u.dx, u.dy, 1);
+		mdat = mon->data; /* in case of a polymorph trap */
 		if (DEADMONSTER(mon)) already_killed = TRUE;
 	    }
 	    hittxt = TRUE;
@@ -986,6 +987,7 @@ int thrown;
 		/* avoid migrating a dead monster */
 		if (mon->mhp > tmp) {
 		    mhurtle(mon, u.dx, u.dy, 1);
+		    mdat = mon->data; /* in case of a polymorph trap */
 		    if (DEADMONSTER(mon)) already_killed = TRUE;
 		}
 		hittxt = TRUE;