diff --git a/src/OAuthDialog.cpp b/src/OAuthDialog.cpp
index 713f753cc..f2fd5c3e6 100644
--- a/src/OAuthDialog.cpp
+++ b/src/OAuthDialog.cpp
@@ -23,7 +23,9 @@
 #include "Settings.h"
 #include "TimeUtils.h"
 
+#if QT_VERSION > 0x050000
 #include <QJsonParseError>
+#endif
 
 OAuthDialog::OAuthDialog(Context *context, OAuthSite site) :
     context(context), site(site)