diff --git a/src/k_kart.c b/src/k_kart.c
index 4de45a660..28ac439a6 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -4087,6 +4087,27 @@ boolean K_Overdrive(player_t *player)
 	return true;
 }
 
+boolean K_DefensiveOverdrive(player_t *player)
+{
+	if (player->amps == 0)
+		return false;
+	if (player->rings > 0)
+		return false;
+
+	K_SpawnDriftBoostExplosion(player, 3);
+	K_SpawnDriftElectricSparks(player, player->skincolor, true);
+	S_StartSound(player->mo, sfx_cdfm35);
+	S_StartSound(player->mo, sfx_cdfm13);
+
+	player->overdrive += (player->amps)*4;
+	player->overshield += (player->amps)*2 + TICRATE*2;
+	player->overdrivepower = FRACUNIT;
+
+	player->amps = 0;
+
+	return true;
+}
+
 void K_DoInstashield(player_t *player)
 {
 	mobj_t *layera;
diff --git a/src/k_kart.h b/src/k_kart.h
index 9dd5ae478..8e2d081d7 100644
--- a/src/k_kart.h
+++ b/src/k_kart.h
@@ -135,6 +135,7 @@ void K_SpawnAmps(player_t *player, UINT8 amps, mobj_t *impact);
 void K_AwardPlayerAmps(player_t *player, UINT8 amps);
 void K_AwardPlayerRings(player_t *player, UINT16 rings, boolean overload);
 boolean K_Overdrive(player_t *player);
+boolean K_DefensiveOverdrive(player_t *player);
 void K_DoInstashield(player_t *player);
 void K_DoPowerClash(mobj_t *t1, mobj_t *t2);
 void K_DoGuardBreak(mobj_t *t1, mobj_t *t2);
diff --git a/src/p_inter.c b/src/p_inter.c
index 4245f50fb..b7bfbfdb8 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -3357,6 +3357,8 @@ boolean P_DamageMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, INT32 da
 			{
 				player->flipDI = true;
 			}
+
+			K_DefensiveOverdrive(target->player);
 		}
 	}
 	else