diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 337f89d..9fdbdfd 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -4829,8 +4829,8 @@
         sourceCrop.set(dispScissor);
         // adb shell screencap will default reqWidth and reqHeight to zeros.
         if (reqWidth == 0 || reqHeight == 0) {
-            reqWidth = uint32_t(dispScissor.width());
-            reqHeight = uint32_t(dispScissor.height());
+            reqWidth = uint32_t(display->getViewport().width());
+            reqHeight = uint32_t(display->getViewport().height());
         }
     }