diff --git a/source/duke3d/src/game.cpp b/source/duke3d/src/game.cpp
index dd9c61efb..57e4f3465 100644
--- a/source/duke3d/src/game.cpp
+++ b/source/duke3d/src/game.cpp
@@ -5951,7 +5951,7 @@ MAIN_LOOP_RESTART:
 
                     ototalclock += TICSPERFRAME;
 
-                    int const moveClock = (int)totalclock;
+                    auto const moveClock = totalclock;
 
                     if (((!GUICapture && (myplayer.gm & MODE_MENU) != MODE_MENU) || ud.recstat == 2 || (g_netServer || ud.multimode > 1))
                         && (myplayer.gm & MODE_GAME))
@@ -5960,14 +5960,12 @@ MAIN_LOOP_RESTART:
                         G_DoMoveThings();
                     }
 
-                    if (totalclock - moveClock >= (TICSPERFRAME>>1))
-                    {
-                        // computing a tic takes longer than half a tic, so we're slowing
-                        // the game down. rather than tightly spinning here, go draw
-                        // a frame since we're fucked anyway
+                    // computing a tic is taking too long.
+                    // rather than tightly spinning here, go draw a frame since we're fucked anyway
+                    if ((int)(totalclock - moveClock) >= (TICSPERFRAME >> 1))
                         break;
-                    }
-                } while (((g_netClient || g_netServer) || (myplayer.gm & (MODE_MENU | MODE_DEMO)) == 0) && totalclock >= ototalclock + TICSPERFRAME);
+                }
+                while (((g_netClient || g_netServer) || (myplayer.gm & (MODE_MENU | MODE_DEMO)) == 0) && (int)(totalclock - ototalclock) >= TICSPERFRAME);
 
                 gameUpdate = true;
                 g_gameUpdateTime = timerGetHiTicks() - gameUpdateStartTime;