diff --git a/src/k_kart.c b/src/k_kart.c
index 698620467..f7f8464c6 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -1976,7 +1976,7 @@ fixed_t K_GetMobjWeight(mobj_t *mobj, mobj_t *against)
 		case MT_FALLINGROCK:
 			if (against->player)
 			{
-				if (against->player->invincibilitytimer || against->player->growshrinktimer > 0)
+				if (against->player->invincibilitytimer || against->player->growshrinktimer > 0 || (K_GetShieldFromPlayer(against->player) == KSHIELD_BUBBLE))
 					weight = 0;
 				else
 					weight = K_PlayerWeight(against, NULL);