diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 9eb9824dd3323a1a0680653ef92a598efc76a287..d8ecfedef18940ba28c0cd042d71ce6e2fe3515f 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -80,6 +80,7 @@
 #include <net/bluetooth/rfcomm.h>
 
 #include <linux/capi.h>
+#include <linux/gigaset_dev.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_ioctl.h>
diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h
index 89ab677cb99389324907dc499c144ea1b4e51c4e..917d62e4148073ebb80d82cec1bb7399da468e1d 100644
--- a/include/linux/compat_ioctl.h
+++ b/include/linux/compat_ioctl.h
@@ -673,6 +673,11 @@ COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
+/* Siemens Gigaset */
+COMPATIBLE_IOCTL(GIGASET_REDIR)
+COMPATIBLE_IOCTL(GIGASET_CONFIG)
+COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
+COMPATIBLE_IOCTL(GIGASET_VERSION)
 /* Misc. */
 COMPATIBLE_IOCTL(0x41545900)		/* ATYIO_CLKR */
 COMPATIBLE_IOCTL(0x41545901)		/* ATYIO_CLKW */