diff --git a/src/p_local.h b/src/p_local.h
index a04f1f197..7c71c7ebf 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -523,6 +523,7 @@ void P_Thrust(mobj_t *mo, angle_t angle, fixed_t move);
 void P_ExplodeMissile(mobj_t *mo);
 void P_CheckGravity(mobj_t *mo, boolean affect);
 void P_SetPitchRollFromSlope(mobj_t *mo, pslope_t *slope);
+void P_SetPitchRoll(mobj_t *mo, angle_t pitch, angle_t yaw);
 fixed_t P_ScaleFromMap(fixed_t n, fixed_t scale);
 fixed_t P_GetMobjHead(const mobj_t *);
 fixed_t P_GetMobjFeet(const mobj_t *);
diff --git a/src/p_mobj.c b/src/p_mobj.c
index fff2a78f1..d912d61cf 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -1250,6 +1250,17 @@ void P_SetPitchRollFromSlope(mobj_t *mo, pslope_t *slope)
 	}
 }
 
+//
+// P_SetPitchRoll
+//
+void P_SetPitchRoll(mobj_t *mo, angle_t pitch, angle_t yaw)
+{
+	pitch = InvAngle(pitch);
+	yaw >>= ANGLETOFINESHIFT;
+	mo->roll  = FixedMul(pitch, FINESINE   (yaw));
+	mo->pitch = FixedMul(pitch, FINECOSINE (yaw));
+}
+
 #define STOPSPEED (FRACUNIT)
 
 //
@@ -1662,6 +1673,8 @@ void P_XYMovement(mobj_t *mo)
 					{
 						mo->momz = transfermomz;
 						mo->standingslope = NULL;
+						P_SetPitchRoll(mo, ANGLE_90,
+								transferslope->xydirection);
 						if (player)
 						{
 							player->powers[pw_justlaunched] = 2;