diff --git a/src/hardware/hw_defs.h b/src/hardware/hw_defs.h
index 2d346878..ece627d3 100644
--- a/src/hardware/hw_defs.h
+++ b/src/hardware/hw_defs.h
@@ -104,7 +104,7 @@ typedef struct
 typedef struct
 {
 	FLOAT       x,y,z;           // position
-	FLOAT       anglex,angley;   // aimingangle / viewangle
+	FLOAT       anglex,angley,anglez;   // aimingangle / viewangle
 	FLOAT       scalex,scaley,scalez;
 	FLOAT       fovxangle, fovyangle;
 	UINT8       splitscreen;
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index 68915e97..894a4a8c 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -5968,6 +5968,7 @@ void HWR_RenderSkyboxView(INT32 viewnumber, player_t *player)
 	//                     It should replace all other gr_viewxxx when finished
 	atransform.anglex = (float)(aimingangle>>ANGLETOFINESHIFT)*(360.0f/(float)FINEANGLES);
 	atransform.angley = (float)(viewangle>>ANGLETOFINESHIFT)*(360.0f/(float)FINEANGLES);
+	atransform.anglez = 0.0f;
 
 	if (*type == postimg_flip)
 		atransform.flip = true;
@@ -6230,6 +6231,7 @@ void HWR_RenderPlayerView(INT32 viewnumber, player_t *player)
 	//                     It should replace all other gr_viewxxx when finished
 	atransform.anglex = (float)(aimingangle>>ANGLETOFINESHIFT)*(360.0f/(float)FINEANGLES);
 	atransform.angley = (float)(viewangle>>ANGLETOFINESHIFT)*(360.0f/(float)FINEANGLES);
+	atransform.anglez = 0.0f;
 
 	if (*type == postimg_flip)
 		atransform.flip = true;
diff --git a/src/hardware/hw_md2.c b/src/hardware/hw_md2.c
index c545cb80..2856cada 100644
--- a/src/hardware/hw_md2.c
+++ b/src/hardware/hw_md2.c
@@ -963,7 +963,7 @@ spritemd2found:
 // (See this same define in k_kart.c!)
 #define SETBRIGHTNESS(brightness,r,g,b) \
 	brightness = (UINT8)(((1063*((UINT16)r)/5000) + (3576*((UINT16)g)/5000) + (361*((UINT16)b)/5000)) / 3)
-	
+
 static void HWR_CreateBlendedTexture(GLPatch_t *gpatch, GLPatch_t *blendgpatch, GLMipmap_t *grmip, INT32 skinnum, skincolors_t color)
 {
 	UINT8 i;
@@ -1389,6 +1389,18 @@ void HWR_DrawMD2(gr_vissprite_t *spr)
 			p.angley = FIXED_TO_FLOAT(anglef);
 		}
 		p.anglex = 0.0f;
+		p.anglez = 0.0f;
+		if (spr->mobj->standingslope)
+		{
+			fixed_t tempz = spr->mobj->standingslope->normal.z;
+			fixed_t tempy = spr->mobj->standingslope->normal.y;
+			fixed_t tempx = spr->mobj->standingslope->normal.x;
+			fixed_t tempangle = AngleFixed(R_PointToAngle2(0, 0, FixedSqrt(FixedMul(tempy, tempy) + FixedMul(tempz, tempz)), tempx));
+			p.anglez = FIXED_TO_FLOAT(tempangle);
+			tempangle = -AngleFixed(R_PointToAngle2(0, 0, tempz, tempy));
+			p.anglex = FIXED_TO_FLOAT(tempangle);
+		}
+
 
 		color[0] = Surf.FlatColor.s.red;
 		color[1] = Surf.FlatColor.s.green;
diff --git a/src/hardware/r_opengl/r_opengl.c b/src/hardware/r_opengl/r_opengl.c
index ce543158..5f2cd032 100644
--- a/src/hardware/r_opengl/r_opengl.c
+++ b/src/hardware/r_opengl/r_opengl.c
@@ -1962,8 +1962,9 @@ static  void DrawMD2Ex(INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration,
 	pglTranslatef(pos->x, pos->z, pos->y);
 	if (flipped)
 		scaley = -scaley;
-	pglRotatef(pos->angley, 0.0f, -1.0f, 0.0f);
+	pglRotatef(pos->anglez, 0.0f, 0.0f, -1.0f);
 	pglRotatef(pos->anglex, -1.0f, 0.0f, 0.0f);
+	pglRotatef(pos->angley, 0.0f, -1.0f, 0.0f);
 
 	val = *gl_cmd_buffer++;
 
diff --git a/src/p_map.c b/src/p_map.c
index ba6e6454..b289b315 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -1423,7 +1423,7 @@ static boolean PIT_CheckThing(mobj_t *thing)
 	// Make sure they aren't able to damage you ANYWHERE along the Z axis, you have to be TOUCHING the person.
 		&& !(thing->z + thing->height < tmthing->z || thing->z > tmthing->z + tmthing->height))
 	{
-		
+
 		if (tmthing->scale > thing->scale + (mapheaderinfo[gamemap-1]->mobj_scale/8)) // SRB2kart - Handle squishes first!
 			K_SquishPlayer(thing->player, tmthing);
 		else if (thing->scale > tmthing->scale + (mapheaderinfo[gamemap-1]->mobj_scale/8))
diff --git a/src/p_slopes.c b/src/p_slopes.c
index 9513cac0..ea85f797 100644
--- a/src/p_slopes.c
+++ b/src/p_slopes.c
@@ -31,8 +31,8 @@ static UINT16 slopecount = 0;
 // Calculate line normal
 void P_CalculateSlopeNormal(pslope_t *slope) {
 	slope->normal.z = FINECOSINE(slope->zangle>>ANGLETOFINESHIFT);
-	slope->normal.x = -FixedMul(FINESINE(slope->zangle>>ANGLETOFINESHIFT), slope->d.x);
-	slope->normal.y = -FixedMul(FINESINE(slope->zangle>>ANGLETOFINESHIFT), slope->d.y);
+	slope->normal.x = -FixedMul(FINESINE(slope->zangle>>ANGLETOFINESHIFT), -slope->d.x);
+	slope->normal.y = -FixedMul(FINESINE(slope->zangle>>ANGLETOFINESHIFT), -slope->d.y);
 }
 
 // With a vertex slope that has its vertices set, configure relevant slope info
@@ -812,10 +812,10 @@ void P_SlopeLaunch(mobj_t *mo)
 		mo->momy = slopemom.y;
 		mo->momz = slopemom.z;
 #endif
-	}
 
 	//CONS_Printf("Launched off of slope.\n");
 	mo->standingslope = NULL;
+	}
 }
 
 // Function to help handle landing on slopes