diff --git a/client/src/components/Map3D.jsx b/client/src/components/Map3D.jsx
index 30c4315..c4eb514 100644
--- a/client/src/components/Map3D.jsx
+++ b/client/src/components/Map3D.jsx
@@ -138,8 +138,13 @@ function TurtleModel({ turtle, isSelected, onClick }) {
   if (!position) return null;
 
   // Calculate rotation based on facing (0=North(-Z), 1=East(+X), 2=South(+Z), 3=West(-X))
-  // Add 180 degrees (Math.PI) to face the head forward initially, then apply facing rotation
-  const rotation = facing !== undefined ? [0, (facing * Math.PI / 2) + Math.PI, 0] : [0, Math.PI, 0];
+  // In Three.js, 0 rotation faces +Z, so we need to adjust:
+  // facing 0 (North/-Z) = rotate 180° = Math.PI
+  // facing 1 (East/+X)  = rotate 270° = -Math.PI/2
+  // facing 2 (South/+Z) = rotate 0° = 0
+  // facing 3 (West/-X)  = rotate 90° = Math.PI/2
+  const facingRotations = [Math.PI, -Math.PI/2, 0, Math.PI/2];
+  const rotation = facing !== undefined ? [0, facingRotations[facing], 0] : [0, 0, 0];
 
   const color = mode === 'mining' ? '#4ade80' :
                 mode === 'exploring' ? '#60a5fa' :