diff --git a/none/tests/ppc64/test_isa_2_07_part1.c b/none/tests/ppc64/test_isa_2_07_part1.c

index 73a563c..201fa88 100644

--- a/none/tests/ppc64/test_isa_2_07_part1.c

+++ b/none/tests/ppc64/test_isa_2_07_part1.c

@@ -406,7 +406,7 @@ static void test_mtvsrwz (void)

 static void test_mtfprwa (void)

 {

-   __asm__ __volatile__ ("mtfprwa %x0,%1" : "=ws" (vec_out) : "r" (r14));

+   __asm__ __volatile__ ("mtfprwa %x0,%1" : "=d" (vec_out) : "r" (r14));

 };

 static test_t tests_move_ops_spe[] = {