diff --git a/src/arch/x86/walkcbfs.S b/src/arch/x86/walkcbfs.S
index 087c59b8e7..b8d4fb985a 100644
--- a/src/arch/x86/walkcbfs.S
+++ b/src/arch/x86/walkcbfs.S
@@ -20,6 +20,7 @@
 
 #define CBFS_FILE_STRUCTSIZE (CBFS_FILE_OFFSET + 4)
 
+.code32
 .section .text
 .global walkcbfs_asm