diff --git a/misc/cgo/test/issue9400/asm_386.s b/misc/cgo/test/issue9400/asm_386.s
index 83ca38531ab..7f158b5c39d 100644
--- a/misc/cgo/test/issue9400/asm_386.s
+++ b/misc/cgo/test/issue9400/asm_386.s
@@ -7,17 +7,18 @@
 #include "textflag.h"
 
 TEXT ·RewindAndSetgid(SB),NOSPLIT,$0-0
+	MOVL	$·Baton(SB), BX
 	// Rewind stack pointer so anything that happens on the stack
 	// will clobber the test pattern created by the caller
 	ADDL	$(1024 * 8), SP
 
 	// Ask signaller to setgid
-	MOVL	$1, ·Baton(SB)
+	MOVL	$1, (BX)
 
 	// Wait for setgid completion
 loop:
 	PAUSE
-	MOVL	·Baton(SB), AX
+	MOVL	(BX), AX
 	CMPL	AX, $0
 	JNE	loop