diff --git a/doc/fixes34.1 b/doc/fixes34.1
index ff63e304c..7644ba075 100644
--- a/doc/fixes34.1
+++ b/doc/fixes34.1
@@ -223,6 +223,7 @@ don't let monster end up with more current HP than max HP after life drain
 make sure that missing file trickery in wizard mode which is discovered during
 	level change doesn't try to keep going after discarding current level
 contribution by Adam Wozniak adds several const & changes some char* to char[]
+fix impossible when hitting/jousting a monster causes it to be killed twice
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/uhitm.c b/src/uhitm.c
index 5ae9e201b..4e1c1142f 100644
--- a/src/uhitm.c
+++ b/src/uhitm.c
@@ -508,7 +508,7 @@ int thrown;
 	 * associated with the damage don't come out until _after_ outputting
 	 * a hit message.
 	 */
-	boolean hittxt = FALSE, destroyed = FALSE;
+	boolean hittxt = FALSE, destroyed = FALSE, already_killed = FALSE;
 	boolean get_dmg_bonus = TRUE;
 	boolean ispoisoned = FALSE, needpoismsg = FALSE, poiskilled = FALSE;
 	boolean silvermsg = FALSE;
@@ -911,8 +911,10 @@ int thrown;
 	    You("joust %s%s",
 			 mon_nam(mon), canseemon(mon) ? exclam(tmp) : ".");
 	    /* avoid migrating a dead monster */
-	    if (mon->mhp > tmp)
+	    if (mon->mhp > tmp) {
 		mhurtle(mon, u.dx, u.dy, 1);
+		if (DEADMONSTER(mon)) already_killed = TRUE;
+	    }
 	    hittxt = TRUE;
 	} else
 #endif
@@ -925,13 +927,15 @@ int thrown;
 		    pline("%s %s from your powerful strike!", Monnam(mon),
 			  makeplural(stagger(mon->data, "stagger")));
 		/* avoid migrating a dead monster */
-		if (mon->mhp > tmp)
+		if (mon->mhp > tmp) {
 		    mhurtle(mon, u.dx, u.dy, 1);
+		    if (DEADMONSTER(mon)) already_killed = TRUE;
+		}
 		hittxt = TRUE;
 	    }
 	}
 
-	mon->mhp -= tmp;
+	if (!already_killed) mon->mhp -= tmp;
 	/* adjustments might have made tmp become less than what
 	   a level draining artifact has already done to max HP */
 	if (mon->mhp > mon->mhpmax) mon->mhp = mon->mhpmax;
@@ -985,10 +989,11 @@ int thrown;
 		pline_The("poison doesn't seem to affect %s.", mon_nam(mon));
 	if (poiskilled) {
 		pline_The("poison was deadly...");
-		xkilled(mon, 0);
+		if (!already_killed) xkilled(mon, 0);
 		return FALSE;
 	} else if (destroyed) {
-		killed(mon);	/* takes care of most messages */
+		if (!already_killed)
+		    killed(mon);	/* takes care of most messages */
 	} else if(u.umconf && !thrown) {
 		nohandglow(mon);
 		if(!mon->mconf && !resist(mon, '+', 0, NOTELL)) {