diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
index b17bebb..da36ed9 100644
--- a/common/cmd_scsi.c
+++ b/common/cmd_scsi.c
@@ -74,7 +74,7 @@
 void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
 
 
-ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer);
+ulong scsi_read(int device, ulong blknr, ulong blkcnt, void *buffer);
 
 
 /*********************************************************************************
@@ -424,7 +424,7 @@
 
 #define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */
 
-ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer)
+ulong scsi_read(int device, ulong blknr, ulong blkcnt, void *buffer)
 {
 	ulong start,blks, buf_addr;
 	unsigned short smallblks;