diff --git a/source/build/src/clip.cpp b/source/build/src/clip.cpp
index 4b46208d6..fcba3addb 100644
--- a/source/build/src/clip.cpp
+++ b/source/build/src/clip.cpp
@@ -603,7 +603,7 @@ CollisionBase clipmove_(vec3_t * const pos, int * const sectnum, int32_t xvect,
 
     if (enginecompatibility_mode != ENGINECOMPATIBILITY_NONE)
     {
-        DVector3 fpos(pos->X* inttoworld, pos->Y* inttoworld, pos->Z* inttoworld);
+        DVector3 fpos(pos->X* inttoworld, pos->Y* inttoworld, pos->Z* zinttoworld);
 
         for (int j=0; j<clipsectnum; j++)
             if (inside(fpos.X, fpos.Y, &sector[clipsectorlist[j]]) == 1)
diff --git a/source/games/sw/src/sprite.cpp b/source/games/sw/src/sprite.cpp
index d9b02c90b..c63eea668 100644
--- a/source/games/sw/src/sprite.cpp
+++ b/source/games/sw/src/sprite.cpp
@@ -6386,7 +6386,7 @@ Collision move_sprite(DSWActor* actor, const DVector3& change, double ceildist,
     // I subtracted 8 from the clipdist because actors kept going up on
     // ledges they were not supposed to go up on.  Did the same for the
     // player. Seems to work ok!
-    auto pos = actor->spr.pos.plusZ(-zH - maptoworld);
+    auto pos = actor->spr.pos.plusZ(-zH - zmaptoworld);
     FAFgetzrange(pos, actor->sector(),
                  &globhiz, &globhihit, &globloz, &globlohit,
                  actor->clipdist - GETZRANGE_CLIP_ADJ, cliptype);
@@ -6544,7 +6544,7 @@ int MissileZrange(DSWActor* actor)
     auto tempshort = actor->spr.cstat;
     actor->spr.cstat &= ~(CSTAT_SPRITE_BLOCK);
 
-    FAFgetzrangepoint(actor->spr.pos.plusZ(-maptoworld), actor->sector(), &globhiz, &globhihit, &globloz, &globlohit);
+    FAFgetzrangepoint(actor->spr.pos.plusZ(-zmaptoworld), actor->sector(), &globhiz, &globhihit, &globloz, &globlohit);
 
     actor->spr.cstat = tempshort;
 
diff --git a/source/games/sw/src/weapon.cpp b/source/games/sw/src/weapon.cpp
index 16140f71a..ccf5ab6fa 100644
--- a/source/games/sw/src/weapon.cpp
+++ b/source/games/sw/src/weapon.cpp
@@ -14981,7 +14981,7 @@ int InitCoolgFire(DSWActor* actor)
 int DoCoolgDrip(DSWActor* actor)
 {
     actor->user.Counter += 220;
-    actor->spr.pos.Z += actor->user.Counter * maptoworld;
+    actor->spr.pos.Z += actor->user.Counter * zmaptoworld;
 
     if (actor->spr.pos.Z > actor->user.loz - actor->user.floor_dist)
     {