diff --git a/gsk/gpu/gskgpudownloadop.c b/gsk/gpu/gskgpudownloadop.c
index 182929d9ad..d8e3f272f7 100644
--- a/gsk/gpu/gskgpudownloadop.c
+++ b/gsk/gpu/gskgpudownloadop.c
@@ -20,6 +20,7 @@
 #include "gdk/gdkglcontextprivate.h"
 
 #ifdef HAVE_DMABUF
+#include <glib-unix.h>
 #include <linux/dma-buf.h>
 #endif