diff --git a/rbutil/ipodpatcher/fat32format.c b/rbutil/ipodpatcher/fat32format.c
index 3dced355b6..9d2c538cd7 100644
--- a/rbutil/ipodpatcher/fat32format.c
+++ b/rbutil/ipodpatcher/fat32format.c
@@ -309,7 +309,7 @@ static void create_boot_sector(unsigned char* buf,
     pFAT32BootSect->sJmpBoot[0]=0xEB;
     pFAT32BootSect->sJmpBoot[1]=0x5A;
     pFAT32BootSect->sJmpBoot[2]=0x90;
-    strcpy( pFAT32BootSect->sOEMName, "MSWIN4.1" );
+    memcpy(pFAT32BootSect->sOEMName, "MSWIN4.1", 8 );
     pFAT32BootSect->wBytsPerSec = rb_htole16(BytesPerSect);
     pFAT32BootSect->bSecPerClus = SectorsPerCluster ;
     pFAT32BootSect->wRsvdSecCnt = rb_htole16(ReservedSectCount);