diff --git a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
index a30f5b13be26..72ad006cde21 100644
--- a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
+++ b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
@@ -438,6 +438,9 @@ static void webkitWebContextConstructed(GObject* object)
     }
     configuration.setTimeZoneOverride(String::fromUTF8(priv->timeZoneOverride.data(), priv->timeZoneOverride.length()));
 
+    if (!g_strcmp0(g_get_prgname(), "evolution"))
+        configuration.setUsesSingleWebProcess(true);
+
 #if !ENABLE(2022_GLIB_API)
     if (!priv->websiteDataManager)
         priv->websiteDataManager = adoptGRef(webkit_website_data_manager_new("local-storage-directory", priv->localStorageDirectory.data(), nullptr));