diff --git a/src/VBox/Additions/x11/vboxvideo/edid.c b/src/VBox/Additions/x11/vboxvideo/edid.c
index bb55e06..8ede06c 100644
--- a/src/VBox/Additions/x11/vboxvideo/edid.c
+++ b/src/VBox/Additions/x11/vboxvideo/edid.c
@@ -45,7 +45,7 @@
  */
 
 #if XORG_VERSION_CURRENT >= 11900000
-#include <bits/sigset.h>
+#include <bits/types/__sigset_t.h>
 typedef __sigset_t sigset_t;
 #endif
 #include <misc.h>
diff --git a/src/VBox/Additions/x11/vboxvideo/pointer.c b/src/VBox/Additions/x11/vboxvideo/pointer.c
index 888e29d..66c0c0a 100644
--- a/src/VBox/Additions/x11/vboxvideo/pointer.c
+++ b/src/VBox/Additions/x11/vboxvideo/pointer.c
@@ -16,7 +16,7 @@
  */
 
 #if XORG_VERSION_CURRENT >= 11900000
-#include <bits/sigset.h>
+#include <bits/types/__sigset_t.h>
 typedef __sigset_t sigset_t;
 #endif
 #include <VBox/VBoxGuestLib.h>
diff --git a/src/VBox/Additions/x11/vboxvideo/vboxvideo.h b/src/VBox/Additions/x11/vboxvideo/vboxvideo.h
index 65708e4..dcbd7ec 100644
--- a/src/VBox/Additions/x11/vboxvideo/vboxvideo.h
+++ b/src/VBox/Additions/x11/vboxvideo/vboxvideo.h
@@ -53,7 +53,7 @@
 #define _VBOXVIDEO_H_
 
 #if XORG_VERSION_CURRENT >= 11900000
-#include <bits/sigset.h>
+#include <bits/types/__sigset_t.h>
 typedef __sigset_t sigset_t;
 #endif
 #include <VBox/VBoxVideoGuest.h>