diff --git a/source/duke3d/src/actors.cpp b/source/duke3d/src/actors.cpp
index 4c6f4265b..3c30b52eb 100644
--- a/source/duke3d/src/actors.cpp
+++ b/source/duke3d/src/actors.cpp
@@ -32,6 +32,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "sounds.h"
 #include "v_text.h"
 #include "printf.h"
+#include "sector.h"
 
 BEGIN_EDUKE_NS
 
diff --git a/source/duke3d/src/duke3d.h b/source/duke3d/src/duke3d.h
index 150464970..0e7423212 100644
--- a/source/duke3d/src/duke3d.h
+++ b/source/duke3d/src/duke3d.h
@@ -34,6 +34,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "gamecontrol.h"
 #include "menu.h"
 #include "memarena.h"
+#include "sector.h"
 
 
 
diff --git a/source/duke3d/src/gameexec.cpp b/source/duke3d/src/gameexec.cpp
index c199fb84a..35366fe5b 100644
--- a/source/duke3d/src/gameexec.cpp
+++ b/source/duke3d/src/gameexec.cpp
@@ -3976,7 +3976,7 @@ badindex:
 
                     VM_ASSERT((unsigned)in.x < MAXSPRITES && (unsigned)in.y < MAXSPRITES, "invalid sprite %d, %d\n", in.x, in.y);
 
-                    Gv_SetVar(out, (VM_DECODE_INST(tw) == CON_LDIST ? ldist : dist)(&sprite[in.x], &sprite[in.y]));
+                    Gv_SetVar(out, VM_DECODE_INST(tw) == CON_LDIST ? ldist(&sprite[in.x], &sprite[in.y]) : dist(&sprite[in.x], &sprite[in.y]));
                     dispatch();
                 }
 
@@ -5233,7 +5233,7 @@ badindex:
                     // <type> <maxdistvarid> <varid>
                     int const  decodedInst  = VM_DECODE_INST(tw);
                     int const  actorsOnly   = (decodedInst == CON_FINDNEARACTOR || decodedInst == CON_FINDNEARACTOR3D);
-                    auto const dist_funcptr = (decodedInst == CON_FINDNEARACTOR || decodedInst == CON_FINDNEARSPRITE) ? &ldist : &dist;
+                    auto const dist_funcptr = (decodedInst == CON_FINDNEARACTOR || decodedInst == CON_FINDNEARSPRITE);
 
                     int const findTile  = *insptr++;
                     int       maxDist   = Gv_GetVar(*insptr++);
@@ -5250,7 +5250,7 @@ badindex:
                         {
                             if (sprite[spriteNum].picnum == findTile && spriteNum != vm.spriteNum)
                             {
-                                int const foundDist = dist_funcptr(vm.pSprite, &sprite[spriteNum]);
+                                int const foundDist = dist_funcptr? ldist(vm.pSprite, &sprite[spriteNum]) : dist(vm.pSprite, &sprite[spriteNum]);
 
                                 if (foundDist < maxDist)
                                 {
diff --git a/source/duke3d/src/player.cpp b/source/duke3d/src/player.cpp
index d9eaebdfd..ecd4b92a1 100644
--- a/source/duke3d/src/player.cpp
+++ b/source/duke3d/src/player.cpp
@@ -350,7 +350,7 @@ static int CheckShootSwitchTile(int tileNum)
 
 static int32_t safeldist(int32_t spriteNum, const void *pSprite)
 {
-    int32_t distance = ldist(&sprite[spriteNum], pSprite);
+    int32_t distance = ldist(&sprite[spriteNum],(uspritetype*)pSprite);
     return distance ? distance : 1;
 }
 
diff --git a/source/duke3d/src/sector.h b/source/duke3d/src/sector.h
index 0ccbc6632..6e1975bde 100644
--- a/source/duke3d/src/sector.h
+++ b/source/duke3d/src/sector.h
@@ -176,6 +176,68 @@ EXTERN_INLINE int32_t G_GetPlayerInSector(int32_t const sect)
 
 #endif
 
+
+// These are from duke's sector.c
+inline int ldist(const spritetype* s1, const spritetype* s2)
+{
+    int vx, vy;
+    vx = s1->x - s2->x;
+    vy = s1->y - s2->y;
+    return(FindDistance2D(vx, vy) + 1);
+}
+
+inline int ldist(const uspritetype* s1, const spritetype* s2)
+{
+    int vx, vy;
+    vx = s1->x - s2->x;
+    vy = s1->y - s2->y;
+    return(FindDistance2D(vx, vy) + 1);
+}
+
+inline int ldist(const spritetype* s1, const uspritetype* s2)
+{
+    int vx, vy;
+    vx = s1->x - s2->x;
+    vy = s1->y - s2->y;
+    return(FindDistance2D(vx, vy) + 1);
+}
+
+inline int ldist(const uspritetype* s1, const uspritetype* s2)
+{
+    int vx, vy;
+    vx = s1->x - s2->x;
+    vy = s1->y - s2->y;
+    return(FindDistance2D(vx, vy) + 1);
+}
+
+
+inline int dist(const spritetype* s1, const spritetype* s2)
+{
+    int vx, vy, vz;
+    vx = s1->x - s2->x;
+    vy = s1->y - s2->y;
+    vz = s1->z - s2->z;
+    return(FindDistance3D(vx, vy, vz >> 4));
+}
+
+inline int dist(const uspritetype* s1, const uspritetype* s2)
+{
+    int vx, vy, vz;
+    vx = s1->x - s2->x;
+    vy = s1->y - s2->y;
+    vz = s1->z - s2->z;
+    return(FindDistance3D(vx, vy, vz >> 4));
+}
+
+inline int dist(const uspritetype* s1, const spritetype* s2)
+{
+    int vx, vy, vz;
+    vx = s1->x - s2->x;
+    vy = s1->y - s2->y;
+    vz = s1->z - s2->z;
+    return(FindDistance3D(vx, vy, vz >> 4));
+}
+
 END_EDUKE_NS
 
 #endif
diff --git a/source/games/duke/src/sector.h b/source/games/duke/src/sector.h
index ba7f240c6..6457a1496 100644
--- a/source/games/duke/src/sector.h
+++ b/source/games/duke/src/sector.h
@@ -190,6 +190,7 @@ inline int checkcursectnums(int se)
     return G_CheckPlayerInSector(se);
 }
 
+// These are from duke's sector.c
 inline int ldist(const spritetype* s1, const spritetype* s2)
 {
     int vx, vy;