diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 474dc1b59f72..4299eb05023c 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -452,7 +452,7 @@ ia32_badsys:
 
 	CFI_ENDPROC
 	
-	.macro PTREGSCALL label, func, arg
+	.macro PTREGSCALL label, func
 	ALIGN
 GLOBAL(\label)
 	leaq \func(%rip),%rax