diff --git a/src/Umbraco.Core/DatabaseContext.cs b/src/Umbraco.Core/DatabaseContext.cs
index 780e799095..e33b63b01b 100644
--- a/src/Umbraco.Core/DatabaseContext.cs
+++ b/src/Umbraco.Core/DatabaseContext.cs
@@ -112,7 +112,7 @@ namespace Umbraco.Core
         public void ConfigureEmbeddedDatabaseConnection()
         {
             const string providerName = "System.Data.SqlServerCe.4.0";
-            const string connectionString = "Datasource=|DataDirectory|Umbraco.sdf";
+            const string connectionString = @"Data Source=|DataDirectory|\Umbraco.sdf";
 
             SaveConnectionString(connectionString, providerName);