diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index ea03e2d..ffe68c6 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -351,8 +351,8 @@
      * Compositing
      */
     void invalidateHwcGeometry();
-    void computeVisibleRegions(const LayerVector& currentLayers,
-            uint32_t layerStack,
+    static void computeVisibleRegions(
+            const LayerVector& currentLayers, uint32_t layerStack,
             Region& dirtyRegion, Region& opaqueRegion);
 
     void preComposition();