diff --git a/include/libcamera/ipa/ipa_interface.h b/include/libcamera/ipa/ipa_interface.h
index 5d99e2cf..dfe1b40a 100644
--- a/include/libcamera/ipa/ipa_interface.h
+++ b/include/libcamera/ipa/ipa_interface.h
@@ -18,15 +18,15 @@
 #include <libcamera/geometry.h>
 #include <libcamera/signal.h>
 
+#include "libcamera/internal/camera_sensor.h"
+
 namespace libcamera {
 
 /*
  * Structs that are defined in core.mojom and have the skipHeader tag must be
- * forward-declared or #included here.
+ * #included here.
  */
 
-struct CameraSensorInfo;
-
 class IPAInterface
 {
 public: