diff --git a/source/app.d b/source/app.d
index 226668b..61b59a3 100644
--- a/source/app.d
+++ b/source/app.d
@@ -63,6 +63,7 @@ void display(SDL_Window * window)
 
     view_matrix.make_identity();
     view_matrix.rotatez(SDL_GetTicks() / 500.0);
+    view_matrix.scale(HEIGHT / cast(float)WIDTH, 1.0, 1.0);
     glUniformMatrix4fv(view_idx, 1, GL_TRUE, view_matrix.value_ptr);
     glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, null);