diff --git a/lib/twitter.php b/lib/twitter.php
index 5c9ef5d6f5..7f75a1afd8 100644
--- a/lib/twitter.php
+++ b/lib/twitter.php
@@ -29,7 +29,10 @@ function get_twitter_data($uri, $screen_name, $password) {
 			CURLOPT_FOLLOWLOCATION	=> true,
 			// CURLOPT_USERAGENT		=> "identi.ca",
 			CURLOPT_CONNECTTIMEOUT	=> 120,
-			CURLOPT_TIMEOUT			=> 120
+            CURLOPT_TIMEOUT            => 120,
+            
+            # Twitter is strict about accepting invalid "Expect" headers
+            CURLOPT_HTTPHEADER => array('Expect:')
 	);
 
 
diff --git a/lib/util.php b/lib/util.php
index 8eeda11156..7518fbf559 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -1498,7 +1498,10 @@ function common_twitter_broadcast($notice, $flink) {
 		CURLOPT_FOLLOWLOCATION	=> true,
 		CURLOPT_USERAGENT		=> "Laconica",
 		CURLOPT_CONNECTTIMEOUT	=> 120,  // XXX: Scary!!!! How long should this be?
-		CURLOPT_TIMEOUT			=> 120
+        CURLOPT_TIMEOUT            => 120,
+        
+        # Twitter is strict about accepting invalid "Expect" headers
+        CURLOPT_HTTPHEADER => array('Expect:')
 	);
 
 	$ch = curl_init($uri);