diff --git a/statusnet/library/twitteroauth.php b/statusnet/library/twitteroauth.php
index 5ac2ab12a..7bd53d28c 100644
--- a/statusnet/library/twitteroauth.php
+++ b/statusnet/library/twitteroauth.php
@@ -8,6 +8,12 @@
  * Version 0.2.0 kept for compatibility purpose with StatusNetOAuth
  */
 
+use Friendica\Security\OAuth1\OAuthConsumer;
+use Friendica\Security\OAuth1\OAuthRequest;
+use Friendica\Security\OAuth1\OAuthSignatureMethod_HMAC_SHA1;
+use Friendica\Security\OAuth1\OAuthToken;
+use Friendica\Security\OAuth1\OAuthUtil;
+
 /**
  * Twitter OAuth class
  */
diff --git a/tumblr/library/tumblroauth.php b/tumblr/library/tumblroauth.php
index 4e21a6ab0..ac96456fd 100644
--- a/tumblr/library/tumblroauth.php
+++ b/tumblr/library/tumblroauth.php
@@ -6,6 +6,12 @@
  * The first PHP Library to support OAuth for Tumblr's REST API.  (Originally for Twitter, modified for Tumblr by Lucas)
  */
 
+use Friendica\Security\OAuth1\OAuthConsumer;
+use Friendica\Security\OAuth1\OAuthRequest;
+use Friendica\Security\OAuth1\OAuthSignatureMethod_HMAC_SHA1;
+use Friendica\Security\OAuth1\OAuthToken;
+use Friendica\Security\OAuth1\OAuthUtil;
+
 /**
  * Tumblr OAuth class
  */