1 files changed, 1 insertions, 1 deletions
diff --git a/vec_test.h b/vec_test.h
index 4db1d46..c7c00af 100644
--- a/vec_test.h
+++ b/vec_test.h
@@ -393,7 +393,7 @@ namespace vecmathlib {
       // GCC crashes when +X is used as constraint
 #  if defined __SSE2__
       for (int d=0; d<size; ++d) __asm__("": "+x" (v[d]));
-#  elif defined _ARCH_PPC64 // __ALTIVEC__
+#  elif defined __PPC64__ // __ALTIVEC__
       for (int d=0; d<size; ++d) __asm__("": "+f" (v[d]));
 #  else
 #    error "Floating point barrier undefined on this architecture"