diff --git a/src/applications/paste/conduit/PasteCreateConduitAPIMethod.php b/src/applications/paste/conduit/PasteCreateConduitAPIMethod.php
--- a/src/applications/paste/conduit/PasteCreateConduitAPIMethod.php
+++ b/src/applications/paste/conduit/PasteCreateConduitAPIMethod.php
@@ -43,7 +43,7 @@
     $title    = $request->getValue('title');
     $language = $request->getValue('language');
 
-    if (!strlen($content)) {
+    if (!phutil_nonempty_string($content)) {
       throw new ConduitException('ERR-NO-PASTE');
     }