diff --git a/README.md b/README.md
index 0136c201f3f..ad36b482391 100644
--- a/README.md
+++ b/README.md
@@ -103,7 +103,7 @@ The easiest way to do so is to define the `CC` variable during the compilation.
 
 ```bash
 $ pip uninstall pillow
-$ CC="cc -mavx2" pip install -U --force-reinstall pillow-simd
+$ CC="cc -mavx2" pip install -U --force-reinstall --no-binary pillow-simd pillow-simd
 ```