diff --git a/INSTALL.rst b/INSTALL.rst
index 82a0de2..a12e5f1 100644
--- a/INSTALL.rst
+++ b/INSTALL.rst
@@ -42,7 +42,7 @@ Binary wheels for the Raspberry Pi are available from piwheels_.
 You still need to install some system packages to use these::
 
     $ sudo apt install libgphoto2-6 libgphoto2-port12 libexif12 libltdl7
-    $ sudo pip3 install gphoto2
+    $ pip3 install gphoto2 --user --only-binary :all:
 
 See the piwheels site for more information.
 
diff --git a/README.rst b/README.rst
index 7fb7445..b22ba6f 100644
--- a/README.rst
+++ b/README.rst
@@ -33,7 +33,7 @@ Binary wheels for the Raspberry Pi are available from piwheels_.
 You need to install some system packages to use these::
 
     $ sudo apt install libexif12 libgphoto2-6 libgphoto2-port12 libltdl7
-    $ pip3 install gphoto2 --user
+    $ pip3 install gphoto2 --user --only-binary :all:
 
 Using python-gphoto2
 --------------------