diff --git a/source/games/blood/src/asound.cpp b/source/games/blood/src/asound.cpp
index a9c4ccadb..afc61aede 100644
--- a/source/games/blood/src/asound.cpp
+++ b/source/games/blood/src/asound.cpp
@@ -60,13 +60,7 @@ void ambProcess(void)
         {
             if (actor->xspr.state)
             {
-                int dx = actor->int_pos().X-gMe->actor->int_pos().X;
-                int dy = actor->int_pos().Y-gMe->actor->int_pos().Y;
-                int dz = actor->int_pos().Z-gMe->actor->int_pos().Z;
-                dx >>= 4;
-                dy >>= 4;
-                dz >>= 8;
-                int nDist = ksqrt(dx*dx+dy*dy+dz*dz);
+                int nDist = (int)(actor->spr.pos - gMe->actor->spr.pos).Length();
                 int vs = MulScale(actor->xspr.data4, actor->xspr.busy, 16);
                 ambChannels[actor->spr.intowner].distance += ClipRange(scale(nDist, actor->xspr.data1, actor->xspr.data2, vs, 0), 0, vs);
             }