diff --git a/include/libcamera/stream.h b/include/libcamera/stream.h
index bb47c390..14bfbf44 100644
--- a/include/libcamera/stream.h
+++ b/include/libcamera/stream.h
@@ -13,6 +13,7 @@
 #include <vector>
 
 #include <libcamera/buffer.h>
+#include <libcamera/fraction.h>
 #include <libcamera/geometry.h>
 #include <libcamera/pixel_format.h>
 
@@ -44,6 +45,7 @@ struct StreamConfiguration {
 	Size size;
 	unsigned int stride;
 	unsigned int frameSize;
+	Fraction frameInterval;
 
 	unsigned int bufferCount;