diff --git a/src/arch/x86/include/bits/errfile.h b/src/arch/x86/include/bits/errfile.h
index 78b3dea1c..0dadf4f01 100644
--- a/src/arch/x86/include/bits/errfile.h
+++ b/src/arch/x86/include/bits/errfile.h
@@ -9,7 +9,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
  */
 
 #define ERRFILE_memtop_umalloc	( ERRFILE_ARCH | ERRFILE_CORE | 0x00000000 )
-#define ERRFILE_memmap		( ERRFILE_ARCH | ERRFILE_CORE | 0x00010000 )
+#define ERRFILE_int15		( ERRFILE_ARCH | ERRFILE_CORE | 0x00010000 )
 #define ERRFILE_pnpbios		( ERRFILE_ARCH | ERRFILE_CORE | 0x00020000 )
 #define ERRFILE_bios_smbios	( ERRFILE_ARCH | ERRFILE_CORE | 0x00030000 )
 #define ERRFILE_biosint		( ERRFILE_ARCH | ERRFILE_CORE | 0x00040000 )
diff --git a/src/arch/x86/interface/pcbios/memmap.c b/src/arch/x86/interface/pcbios/int15.c
similarity index 100%
rename from src/arch/x86/interface/pcbios/memmap.c
rename to src/arch/x86/interface/pcbios/int15.c