diff --git a/doc/fixes35.0 b/doc/fixes35.0
index 235fd8240..df998dc6d 100644
--- a/doc/fixes35.0
+++ b/doc/fixes35.0
@@ -414,6 +414,7 @@ alchemical explosion or evaporation only used up one potion instead of all
 feedback for reverse-genocide was plural even when just one monster was created
 fix message given when part of a stack of items in a monster's inventory is
 	being destroyed
+add "Boing!" message when hero zaps resistant monster with striking/force bolt
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/zap.c b/src/zap.c
index 644da6619..7743308b5 100644
--- a/src/zap.c
+++ b/src/zap.c
@@ -171,6 +171,7 @@ struct obj *otmp;
 		reveal_invis = TRUE;
 		if (resists_magm(mtmp)) {	/* match effect on player */
 			shieldeff(mtmp->mx, mtmp->my);
+			pline("Boing!");
 			break;	/* skip makeknown */
 		} else if (u.uswallow || rnd(20) < 10 + find_mac(mtmp)) {
 			dmg = d(2,12);