diff --git a/apps/codecs/lib/asm_mcf5249.h b/apps/codecs/lib/asm_mcf5249.h
index 9be92d2f2d..49d2ddf7cb 100644
--- a/apps/codecs/lib/asm_mcf5249.h
+++ b/apps/codecs/lib/asm_mcf5249.h
@@ -129,7 +129,7 @@ void XNPROD31(int32_t  a, int32_t  b,
                 "msac.l %[a], %[v], %%acc1;" \
                 "movclr.l %%acc0, %[x];" \
                 "movclr.l %%acc1, %[y];" \
-                : [x] "=d" (_x), [y] "=d" (_y) \
+                : [x] "=r" (_x), [y] "=r" (_y) \
                 : [a] "r" (_a), [b] "r" (_b), \
                   [t] "r" (_t), [v] "r" (_v) \
                 : "cc");
@@ -141,7 +141,7 @@ void XNPROD31(int32_t  a, int32_t  b,
                 "mac.l %[a], %[v], %%acc1;" \
                 "movclr.l %%acc0, %[x];" \
                 "movclr.l %%acc1, %[y];" \
-                : [x] "=d" (_x), [y] "=d" (_y) \
+                : [x] "=r" (_x), [y] "=r" (_y) \
                 : [a] "r" (_a), [b] "r" (_b), \
                   [t] "r" (_t), [v] "r" (_v) \
                 : "cc");