diff --git a/src/nvmath/SimdVector.h b/src/nvmath/SimdVector.h
old mode 100755
new mode 100644
index b84ea6f..fa164f3
--- a/src/nvmath/SimdVector.h
+++ b/src/nvmath/SimdVector.h
@@ -5,7 +5,7 @@
 
 // Set some reasonable defaults.
 #ifndef NV_USE_ALTIVEC
-#   define NV_USE_ALTIVEC POSH_CPU_PPC
+#   define NV_USE_ALTIVEC NV_CPU_PPC
 #endif
 
 #ifndef NV_USE_SSE
diff --git a/src/nvmath/SimdVector_SSE.h b/src/nvmath/SimdVector_SSE.h
old mode 100755
new mode 100644
diff --git a/src/nvmath/SimdVector_VE.h b/src/nvmath/SimdVector_VE.h
old mode 100755
new mode 100644