2 files changed, 2 insertions, 2 deletions
diff --git a/src/lib/image.cc b/src/lib/image.cc
index a3b264d02..4859ebe14 100644
--- a/src/lib/image.cc
+++ b/src/lib/image.cc
@@ -1018,7 +1018,7 @@ Image::Image (Image const & other)
 	}
 }
 
-Image::Image (AVFrame* frame)
+Image::Image (AVFrame const * frame)
 	: _size (frame->width, frame->height)
 	, _pixel_format (static_cast<AVPixelFormat>(frame->format))
 	, _aligned (true)
diff --git a/src/lib/image.h b/src/lib/image.h
index 7edea2186..2ef7d0797 100644
--- a/src/lib/image.h
+++ b/src/lib/image.h
@@ -41,7 +41,7 @@ class Image : public std::enable_shared_from_this<Image>
 {
 public:
 	Image (AVPixelFormat p, dcp::Size s, bool aligned);
-	explicit Image (AVFrame *);
+	explicit Image (AVFrame const *);
 	explicit Image (Image const &);
 	Image (std::shared_ptr<const Image>, bool);
 	Image& operator= (Image const &);