diff --git a/src/k_kart.c b/src/k_kart.c
index b4fdc4fef..63eedd917 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -6745,6 +6745,11 @@ static INT16 K_GetKartDriftValue(player_t *player, fixed_t countersteer)
 		basedrift += (basedrift / greasetics) * player->kartstuff[k_tiregrease];
 	}
 
+	if (player->mo->eflags & (MFE_UNDERWATER|MFE_TOUCHWATER))
+	{
+		countersteer = 3*countersteer/2;
+	}
+
 	return basedrift + (FixedMul(driftadjust * FRACUNIT, countersteer) / FRACUNIT);
 }
 
@@ -6780,6 +6785,11 @@ INT16 K_GetKartTurnValue(player_t *player, INT16 turnvalue)
 		turnvalue = 5*turnvalue/4;
 	}
 
+	if (player->mo->eflags & (MFE_UNDERWATER|MFE_TOUCHWATER))
+	{
+		turnvalue = 3*turnvalue/2;
+	}
+
 	turnvalue = FixedMul(turnvalue * FRACUNIT, weightadjust) / FRACUNIT; // Weight has a small effect on turning
 
 	return turnvalue;