diff --git a/include/spdk/barrier.h b/include/spdk/barrier.h
index 623d73efd..d4665a2f2 100644
--- a/include/spdk/barrier.h
+++ b/include/spdk/barrier.h
@@ -62,7 +62,7 @@ extern "C" {
 
 /** Read memory barrier */
 #ifdef __PPC64__
-#define spdk_rmb()	__asm volatile("lwsync" ::: "memory")
+#define spdk_rmb()	__asm volatile("sync" ::: "memory")
 #elif defined(__aarch64__)
 #define spdk_rmb()	__asm volatile("dsb lt" ::: "memory")
 #elif defined(__i386__) || defined(__x86_64__)