diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index e35058bcd7b98e0f1b690f2e359cec96df05140e..ee0a549a933a0176fdf9804e580bcc40557c25ac 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -14,6 +14,7 @@
 #include "gigaset.h"
 #include <linux/gigaset_dev.h>
 #include <linux/tty_flip.h>
+#include <linux/module.h>
 
 /*** our ioctls ***/
 
diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c
index d13fa5b119f5f1b15ccb9fb02364223fbef94fe4..7034af28d464f225b424b08c1c7c14345bca9826 100644
--- a/drivers/isdn/hardware/mISDN/mISDNisar.c
+++ b/drivers/isdn/hardware/mISDN/mISDNisar.c
@@ -29,6 +29,7 @@
 #include <linux/delay.h>
 #include <linux/vmalloc.h>
 #include <linux/mISDNhw.h>
+#include <linux/module.h>
 #include "isar.h"
 
 #define ISAR_REV	"2.1"
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index e5546cb3ac691666048bae0678af98175a26a376..2c26b64ebbea4de6cc0203d35da649c4d41d5bc1 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -750,6 +750,7 @@ isdn_tty_modem_hup(modem_info * info, int local)
  * supplementary service (CAPI 2.0 part III)
  */
 #include <linux/isdn/capicmd.h>
+#include <linux/module.h>
 
 int
 isdn_tty_capi_facility(capi_msg *cm) {