diff --git a/README.md b/README.md
index fb5770ee..29e8e518 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ popd
 wget https://tls.mbed.org/download/mbedtls-$MBEDTLS_VER-gpl.tgz
 tar xvf mbedtls-$MBEDTLS_VER-gpl.tgz
 pushd mbedtls-$MBEDTLS_VER
-make
+env CFLAGS="-fPIC" make
 sudo make install
 popd
 ```