diff --git a/src/p_user.c b/src/p_user.c
index 02417ccff..f5c8caf72 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -4429,13 +4429,16 @@ void P_DoJump(player_t *player, boolean soundandstate)
 		else if (player->powers[pw_carry] == CR_ROLLOUT)
 		{
 			player->mo->momz = 9*FRACUNIT;
-			if (P_MobjFlip(player->mo->tracer)*player->mo->tracer->momz > 0)
-				player->mo->momz += player->mo->tracer->momz;
-			if (!P_IsObjectOnGround(player->mo->tracer))
-				P_SetObjectMomZ(player->mo->tracer, -9*FRACUNIT, true);
+			if (player->mo->tracer)
+			{
+				if (P_MobjFlip(player->mo->tracer)*player->mo->tracer->momz > 0)
+					player->mo->momz += player->mo->tracer->momz;
+				if (!P_IsObjectOnGround(player->mo->tracer))
+					P_SetObjectMomZ(player->mo->tracer, -9*FRACUNIT, true);
+				player->mo->tracer->flags |= MF_PUSHABLE;
+				P_SetTarget(&player->mo->tracer->tracer, NULL);
+			}
 			player->powers[pw_carry] = CR_NONE;
-			player->mo->tracer->flags |= MF_PUSHABLE;
-			P_SetTarget(&player->mo->tracer->tracer, NULL);
 			P_SetTarget(&player->mo->tracer, NULL);
 		}
 		else if (player->mo->eflags & MFE_GOOWATER)