diff --git a/src/k_kart.c b/src/k_kart.c
index 848a7acdc..14ce6f29e 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -3802,13 +3802,33 @@ void K_RemoveGrowShrink(player_t *player)
 
 boolean K_IsBigger(mobj_t *compare, mobj_t *other)
 {
+	fixed_t compareScale, otherScale;
+
 	if ((compare == NULL || P_MobjWasRemoved(compare) == true)
 		|| (other == NULL || P_MobjWasRemoved(other) == true))
 	{
 		return false;
 	}
 
-	return (compare->scale > other->scale + (mapobjectscale / 4));
+	if ((compareScale = P_GetMobjDefaultScale(compare)) != FRACUNIT)
+	{
+		compareScale = FixedDiv(compare->scale, compareScale);
+	}
+	else
+	{
+		compareScale = compare->scale;
+	}
+
+	if ((otherScale = P_GetMobjDefaultScale(other)) != FRACUNIT)
+	{
+		otherScale = FixedDiv(other->scale, otherScale);
+	}
+	else
+	{
+		otherScale = other->scale;
+	}
+
+	return (compareScale > otherScale + (mapobjectscale / 4));
 }
 
 static fixed_t K_TumbleZ(mobj_t *mo, fixed_t input)
diff --git a/src/p_local.h b/src/p_local.h
index 4c6b44449..12e17178f 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -256,6 +256,7 @@ mobjtype_t P_GetMobjtype(UINT16 mthingtype);
 
 void P_RespawnSpecials(void);
 
+fixed_t P_GetMobjDefaultScale(mobj_t *mobj);
 mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type);
 
 void P_CalculatePrecipFloor(precipmobj_t *mobj);
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 599dd37e8..c3be0bd2f 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -10496,6 +10496,20 @@ void P_SceneryThinker(mobj_t *mobj)
 // GAME SPAWN FUNCTIONS
 //
 
+fixed_t P_GetMobjDefaultScale(mobj_t *mobj)
+{
+	switch(mobj->type)
+	{
+		case MT_SPECIALSTAGEARCH:
+			return 5*FRACUNIT;
+		case MT_SPECIALSTAGEBOMB:
+			return 3*FRACUNIT/4;
+		default:
+			break;
+	}
+	return FRACUNIT;
+}
+
 static void P_DefaultMobjShadowScale(mobj_t *thing)
 {
 	thing->shadowscale = 0;
@@ -10596,6 +10610,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 	SINT8 sc = -1;
 	state_t *st;
 	mobj_t *mobj;
+	fixed_t scale;
 
 	if (type == MT_NULL)
 	{
@@ -10648,13 +10663,12 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 
 	// All mobjs are created at 100% scale.
 	mobj->scale = FRACUNIT;
-	mobj->destscale = mobj->scale;
-	mobj->scalespeed = FRACUNIT/12;
+	mobj->destscale = mapobjectscale;
+	mobj->scalespeed = mapobjectscale/12;
 
-	if (mapobjectscale != FRACUNIT) //&& !(mobj->type == MT_BLACKEGGMAN)
+	if ((scale = P_GetMobjDefaultScale(mobj)) != FRACUNIT)
 	{
-		mobj->destscale = mapobjectscale;
-		mobj->scalespeed = mapobjectscale/12;
+		mobj->destscale = FixedMul(mobj->destscale, scale);
 	}
 
 	// Sprite rendering