diff --git a/src/k_kart.c b/src/k_kart.c
index 00b2db1c..5a307eac 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -1110,6 +1110,9 @@ fixed_t K_3dKartMovement(player_t *player, boolean onground, boolean forwardmove
 	else if (!forwardmovement)
 		return FRACUNIT/2;
 
+	if (finalspeed < 0)
+		finalspeed = 0;
+
 	return finalspeed;
 }