diff --git a/tests/kms/kms-steal-crtc.c b/tests/kms/kms-steal-crtc.c
index 2f7f327..24d70ab 100644
--- a/tests/kms/kms-steal-crtc.c
+++ b/tests/kms/kms-steal-crtc.c
@@ -31,6 +31,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/select.h>
 
 #include <drm_fourcc.h>