diff --git a/services/surfaceflinger/ScreenCaptureOutput.cpp b/services/surfaceflinger/ScreenCaptureOutput.cpp
index 8bb72b8..41a9a1b 100644
--- a/services/surfaceflinger/ScreenCaptureOutput.cpp
+++ b/services/surfaceflinger/ScreenCaptureOutput.cpp
@@ -93,6 +93,12 @@
     if (mEnableLocalTonemapping) {
         clientCompositionDisplay.tonemapStrategy =
                 renderengine::DisplaySettings::TonemapStrategy::Local;
+        if (static_cast<ui::PixelFormat>(buffer->getPixelFormat()) == ui::PixelFormat::RGBA_FP16) {
+            clientCompositionDisplay.targetHdrSdrRatio =
+                    getState().displayBrightnessNits / getState().sdrWhitePointNits;
+        } else {
+            clientCompositionDisplay.targetHdrSdrRatio = 1.f;
+        }
     }
 
     return clientCompositionDisplay;