diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/FODCircleViewImpl.java b/packages/SystemUI/src/com/android/systemui/biometrics/FODCircleViewImpl.java
index ce39fb90889..b82ca3d83b3 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/FODCircleViewImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/FODCircleViewImpl.java
@@ -52,7 +52,7 @@ public class FODCircleViewImpl extends SystemUI implements CommandQueue.Callback
             // do nothing
         }
         mDisableNightMode = SystemProperties.getBoolean("persist.fod.night_mode_disabled", true);
-        mDisableGrayscaleMode = SystemProperties.getBoolean("persist.fod.grayscale_mode_disabled", true);
+        mDisableGrayscaleMode = SystemProperties.getBoolean("persist.fod.grayscale_mode_disabled", false);
     }
 
     @Override
@@ -62,7 +62,7 @@ public class FODCircleViewImpl extends SystemUI implements CommandQueue.Callback
                 disableNightMode();
             }
             if (mDisableGrayscaleMode) {
-                disableGrayscaleMode();
+                setGrayscaleMode(false);
             }
             mFodCircleView.show();
         }
@@ -98,10 +98,9 @@ public class FODCircleViewImpl extends SystemUI implements CommandQueue.Callback
         }
     }
 
-    private void disableGrayscaleMode() {
+    private void setGrayscaleMode(boolean activated) {
         ColorDisplayManager colorDisplayManager = mContext.getSystemService(ColorDisplayManager.class);
         mGrayscaleModeActive = colorDisplayManager.isSaturatuionActivated();
-        colorDisplayManager.setSaturationActivated(false);
+        colorDisplayManager.setSaturationActivated(activated);
     }
-  }
 }