1 files changed, 1 insertions, 1 deletions

diff --git a/arch/i386/boot/mca.c b/arch/i386/boot/mca.c
index 9b68bd1aef19..68222f2d4b67 100644
--- a/arch/i386/boot/mca.c
+++ b/arch/i386/boot/mca.c
@@ -26,7 +26,7 @@ int query_mca(void)
             "setc %0 ; "
             "movw %%es, %1 ; "
             "popw %%es"
-            : "=acdSDm" (err), "=acdSDm" (es), "=b" (bx)
+            : "=acd" (err), "=acdSD" (es), "=b" (bx)
             : "a" (0xc000));
 
         if (err)