diff --git a/src/k_kart.c b/src/k_kart.c
index 50783a586..c7234f24b 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -2030,6 +2030,13 @@ boolean K_ApplyOffroad(player_t *player)
 	return true;
 }
 
+boolean K_SlopeResistance(player_t *player)
+{
+	if (player->kartstuff[k_invincibilitytimer] || player->kartstuff[k_sneakertimer] || player->kartstuff[k_tiregrease])
+		return true;
+	return false;
+}
+
 static fixed_t K_FlameShieldDashVar(INT32 val)
 {
 	// 1 second = 75% + 50% top speed
diff --git a/src/k_kart.h b/src/k_kart.h
index 9f18b4661..1a1a932f3 100644
--- a/src/k_kart.h
+++ b/src/k_kart.h
@@ -82,6 +82,7 @@ void K_StripItems(player_t *player);
 void K_StripOther(player_t *player);
 void K_MomentumToFacing(player_t *player);
 boolean K_ApplyOffroad(player_t *player);
+boolean K_SlopeResistance(player_t *player);
 INT16 K_GetSpindashChargeTime(player_t *player);
 fixed_t K_GetSpindashChargeSpeed(player_t *player);
 fixed_t K_GetKartSpeedFromStat(UINT8 kartspeed);
diff --git a/src/p_user.c b/src/p_user.c
index 0df4aa756..587294d3f 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -1851,7 +1851,7 @@ static void P_3dMovement(player_t *player)
 	totalthrust.x = totalthrust.y = 0; // I forget if this is needed
 	totalthrust.z = FRACUNIT*P_MobjFlip(player->mo)/3; // A bit of extra push-back on slopes
 
-	if (player->kartstuff[k_sneakertimer] > 0)
+	if (K_SlopeResistance(player) == true)
 	{
 		totalthrust.z = -(totalthrust.z);
 	}