diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h
index 24dc39651bc4..10f8b51cec8b 100644
--- a/include/asm-x86_64/msr.h
+++ b/include/asm-x86_64/msr.h
@@ -56,7 +56,7 @@
                       ".section __ex_table,\"a\"\n"		\
                       " .align 8\n"				\
                       " .quad 1b,3b\n"				\
-                      ".previous":"=&bDS" (ret__), "=a"(a), "=d"(b)\
+                      ".previous":"=&bDS" (ret__), "=a"(*(a)), "=d"(*(b))\
                       :"c"(msr), "i"(-EIO), "0"(0));		\
 	  ret__; })