3 files changed, 3 insertions, 3 deletions
diff --git a/src/libcamera/pipeline/ipu3/cio2.h b/src/libcamera/pipeline/ipu3/cio2.h
index 4fd949f8..956355a0 100644
--- a/src/libcamera/pipeline/ipu3/cio2.h
+++ b/src/libcamera/pipeline/ipu3/cio2.h
@@ -21,8 +21,8 @@ class CameraSensor;
 class FrameBuffer;
 class MediaDevice;
 class Request;
+class Size;
 class V4L2Subdevice;
-struct Size;
 struct StreamConfiguration;
 
 class CIO2Device
diff --git a/src/libcamera/pipeline/ipu3/imgu.h b/src/libcamera/pipeline/ipu3/imgu.h
index 5c124af2..23ec1ca1 100644
--- a/src/libcamera/pipeline/ipu3/imgu.h
+++ b/src/libcamera/pipeline/ipu3/imgu.h
@@ -17,7 +17,7 @@ namespace libcamera {
 
 class FrameBuffer;
 class MediaDevice;
-struct Size;
+class Size;
 struct StreamConfiguration;
 
 class ImgUDevice
diff --git a/src/libcamera/pipeline/simple/converter.h b/src/libcamera/pipeline/simple/converter.h
index 8ca88912..78296680 100644
--- a/src/libcamera/pipeline/simple/converter.h
+++ b/src/libcamera/pipeline/simple/converter.h
@@ -20,7 +20,7 @@ namespace libcamera {
 
 class FrameBuffer;
 class MediaDevice;
-struct Size;
+class Size;
 class SizeRange;
 struct StreamConfiguration;
 class V4L2M2MDevice;