diff --git a/source/duke3d/src/player.cpp b/source/duke3d/src/player.cpp
index 0956600f6..12887f4c3 100644
--- a/source/duke3d/src/player.cpp
+++ b/source/duke3d/src/player.cpp
@@ -5507,6 +5507,7 @@ RECHECK:
         }
     }
 
+    horizAngle = clamp(horizAngle, -255.f, 255.f);  // keep the angle within ]-90°..90°[
     pPlayer->q16horiz = F16(100) + Blrintf(F16(128) * tanf(horizAngle * (fPI / 512.f)));
 
     if (pPlayer->return_to_center > 0 && !TEST_SYNC_KEY(playerBits, SK_LOOK_UP) && !TEST_SYNC_KEY(playerBits, SK_LOOK_DOWN))
diff --git a/source/exhumed/src/player.cpp b/source/exhumed/src/player.cpp
index bf6cd8552..3b6a4e0a5 100644
--- a/source/exhumed/src/player.cpp
+++ b/source/exhumed/src/player.cpp
@@ -282,6 +282,7 @@ void PlayerInterruptKeys()
     // so we convert horiz to 1024 angle units
 
     float horizAngle = atan2f(nVertPan[nLocalPlayer] - F16(92), F16(128)) * (512.f / fPI) + fix16_to_float(q16horz);
+    horizAngle = clamp(horizAngle, -255.f, 255.f);
     nVertPan[nLocalPlayer] = fix16_clamp(F16(92) + Blrintf(F16(128) * tanf(horizAngle * (fPI / 512.f))), F16(0), F16(184));
 
 }