diff --git a/python/ql/src/experimental/semmle/python/EmailClients.qll b/python/ql/src/experimental/semmle/python/EmailClients.qll
index fe6a3a348b5..6892aefb943 100644
--- a/python/ql/src/experimental/semmle/python/EmailClients.qll
+++ b/python/ql/src/experimental/semmle/python/EmailClients.qll
@@ -28,7 +28,7 @@ abstract class EmailSender extends DataFlow::CallCfgNode {
    * Gets a data flow node holding the subject of the email.
    */
   abstract DataFlow::Node getSubject();
-}\
+}
 
 class FlaskMailEmailSender extends EmailSender {
   FlaskMailEmailSender() {