diff --git a/build-aux/flatpak/org.gnome.Calendar.json b/build-aux/flatpak/org.gnome.Calendar.json
index 07f5510b..1e82710f 100644
--- a/build-aux/flatpak/org.gnome.Calendar.json
+++ b/build-aux/flatpak/org.gnome.Calendar.json
@@ -153,7 +153,8 @@
                 "-DENABLE_INTROSPECTION=OFF",
                 "-DENABLE_INSTALLED_TESTS=OFF",
                 "-DENABLE_GTK_DOC=OFF",
-                "-DENABLE_EXAMPLES=OFF"
+                "-DENABLE_EXAMPLES=OFF",
+                "-DENABLE_OAUTH2_WEBKITGTK4=OFF"
             ],
             "sources" : [
                 {