diff --git a/src/tl/tl/tlHttpStreamQt.cc b/src/tl/tl/tlHttpStreamQt.cc
index d97a0e8da..613efbd3c 100644
--- a/src/tl/tl/tlHttpStreamQt.cc
+++ b/src/tl/tl/tlHttpStreamQt.cc
@@ -37,6 +37,7 @@
 #include <QDateTime>
 #include <QFileInfo>
 #include <QDialog>
+#include <QSslError>
 
 namespace tl
 {