diff --git a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp

index 6dd9f20e4ff2..995f355f6ee3 100644

--- a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp

+++ b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp

@@ -400,6 +400,9 @@ static void webkitWebContextConstructed(GObject* object)

 #endif

 #endif

+    if (!g_strcmp0(g_get_prgname(), "evolution"))

+        configuration.setUsesSingleWebProcess(true);

+

     if (!priv->websiteDataManager)

         priv->websiteDataManager = adoptGRef(webkit_website_data_manager_new("local-storage-directory", priv->localStorageDirectory.data(), nullptr));