diff --git a/src/libcamera/software_isp/debayer.cpp b/src/libcamera/software_isp/debayer.cpp
index 4e6fa3d74..feb41acd6 100644
--- a/src/libcamera/software_isp/debayer.cpp
+++ b/src/libcamera/software_isp/debayer.cpp
@@ -300,6 +300,11 @@ Debayer::~Debayer()
  * \brief The output pixel format
  */
 
+/**
+ * \var Debayer::outputSize_
+ * \brief Output size object
+ */
+
 /**
  * \var Debayer::red_
  * \brief Lookup table for red channel gain and correction values.
diff --git a/src/libcamera/software_isp/debayer.h b/src/libcamera/software_isp/debayer.h
index 4a2ec3e53..189b32930 100644
--- a/src/libcamera/software_isp/debayer.h
+++ b/src/libcamera/software_isp/debayer.h
@@ -75,6 +75,7 @@ public:
 
 	DebayerInputConfig inputConfig_;
 	DebayerOutputConfig outputConfig_;
+	Size outputSize_;
 	PixelFormat inputPixelFormat_;
 	PixelFormat outputPixelFormat_;
 	DebayerParams::LookupTable red_;