diff --git a/src/p_inter.c b/src/p_inter.c
index 7da581a5..5aa6ef17 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -141,6 +141,9 @@ boolean P_CanPickupItem(player_t *player, UINT8 weapon)
 				|| (weapon != 3 && player->kartstuff[k_itemamount])
 				|| player->kartstuff[k_itemheld])
 				return false;
+
+			if (weapon == 3 && player->kartstuff[k_itemtype] == KITEM_THUNDERSHIELD)
+				return false; // No stacking thunder shields!
 		}
 	}
 
diff --git a/src/p_user.c b/src/p_user.c
index 7350b921..5777f6e7 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -7654,12 +7654,14 @@ static void P_NukeAllPlayers(player_t *player)
 //
 void P_NukeEnemies(mobj_t *inflictor, mobj_t *source, fixed_t radius)
 {
-	const fixed_t ns = 60 << FRACBITS;
+	const fixed_t ns = 60 * mapobjectscale;
 	mobj_t *mo;
 	angle_t fa;
 	thinker_t *think;
 	INT32 i;
 
+	radius = FixedMul(radius, mapobjectscale);
+
 	for (i = 0; i < 16; i++)
 	{
 		fa = (i*(FINEANGLES/16));