diff --git a/include/blt/math/matrix.h b/include/blt/math/matrix.h
index cd607bd..28fd7db 100755
--- a/include/blt/math/matrix.h
+++ b/include/blt/math/matrix.h
@@ -96,7 +96,7 @@ namespace blt {
                 
                 m00(m00() * x);
                 m11(m11() * y);
-                m22(m11() * z);
+                m22(m22() * z);
                 
                 *this = *this * scale_mat;