diff --git a/arch/x86/include/amd64/latom.h b/arch/x86/include/amd64/latom.h
index 7a2ab2b..e9c172e 100644
--- a/arch/x86/include/amd64/latom.h
+++ b/arch/x86/include/amd64/latom.h
@@ -41,7 +41,7 @@ static inline long latom_cmp_xchg(latom_t *latom, long compare, long val)
 
 	__asm__ volatile(
 "	lock			\n"
-"	cmpxchlq %1,	(%2)	\n" /* if ((rax = latom->_value) == compare) latom->_value = val */
+"	cmpxchgq %1,	(%2)	\n" /* if ((rax = latom->_value) == compare) latom->_value = val */
 	: "+a"(rax)
 	: "r"(val), "r"(&latom->_value)
 	: "cc", "memory"