diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index 82bf255..eeb3277 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -802,6 +802,8 @@ class CameraSensorHelperOv5670 : public CameraSensorHelper
 public:
 	CameraSensorHelperOv5670()
 	{
+		/* Default BLC target of 64 at 10bits, confirmed by measurement. */
+		blackLevel_ = 4096;
 		gain_ = AnalogueGainLinear{ 1, 0, 0, 128 };
 	}
 };