diff --git a/src/libcamera/device_enumerator_udev.cpp b/src/libcamera/device_enumerator_udev.cpp
index cb2d21b9..86f6ca18 100644
--- a/src/libcamera/device_enumerator_udev.cpp
+++ b/src/libcamera/device_enumerator_udev.cpp
@@ -11,6 +11,7 @@
 #include <libudev.h>
 #include <string.h>
 #include <sys/ioctl.h>
+#include <sys/sysmacros.h>
 #include <unistd.h>
 
 #include <libcamera/event_notifier.h>