diff --git a/drivers/isdn/hardware/eicon/os_4bri.c b/drivers/isdn/hardware/eicon/os_4bri.c
index cccfabc1117dbee8ee8d35fec4466bcdd380ab81..11e6f937c1e479c477798f49533d0629c0707f73 100644
--- a/drivers/isdn/hardware/eicon/os_4bri.c
+++ b/drivers/isdn/hardware/eicon/os_4bri.c
@@ -16,6 +16,7 @@
 #include "diva_pci.h"
 #include "mi_pc.h"
 #include "dsrv4bri.h"
+#include "helpers.h"
 
 static void *diva_xdiLoadFileFile = NULL;
 static dword diva_xdiLoadFileLength = 0;
@@ -815,7 +816,7 @@ diva_4bri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
 	return (ret);
 }
 
-void *xdiLoadFile(char *FileName, unsigned long *FileLength,
+void *xdiLoadFile(char *FileName, dword *FileLength,
 		  unsigned long lim)
 {
 	void *ret = diva_xdiLoadFileFile;