diff --git a/src/android/jpeg/post_processor_jpeg.cpp b/src/android/jpeg/post_processor_jpeg.cpp
index 8b01bd6..fd1c7be 100644
--- a/src/android/jpeg/post_processor_jpeg.cpp
+++ b/src/android/jpeg/post_processor_jpeg.cpp
@@ -20,7 +20,7 @@ using namespace libcamera;
 
 LOG_DEFINE_CATEGORY(JPEG)
 
-PostProcessorJpeg::PostProcessorJpeg(CameraDevice *device)
+PostProcessorJpeg::PostProcessorJpeg(CameraDevice *const device)
 	: cameraDevice_(device)
 {
 }
diff --git a/src/android/jpeg/post_processor_jpeg.h b/src/android/jpeg/post_processor_jpeg.h
index ae636ff..3706cec 100644
--- a/src/android/jpeg/post_processor_jpeg.h
+++ b/src/android/jpeg/post_processor_jpeg.h
@@ -19,7 +19,7 @@ class CameraDevice;
 class PostProcessorJpeg : public PostProcessor
 {
 public:
-	PostProcessorJpeg(CameraDevice *device);
+	PostProcessorJpeg(CameraDevice *const device);
 
 	int configure(const libcamera::StreamConfiguration &incfg,
 		      const libcamera::StreamConfiguration &outcfg) override;
@@ -28,7 +28,7 @@ public:
 		    CameraMetadata *metadata) override;
 
 private:
-	CameraDevice *cameraDevice_;
+	CameraDevice *const cameraDevice_;
 	std::unique_ptr<Encoder> encoder_;
 	libcamera::Size streamSize_;
 };