diff --git a/ProjectLighthouse/Configuration/ConfigurationBase.cs b/ProjectLighthouse/Configuration/ConfigurationBase.cs
index bd082cc7..009f247c 100644
--- a/ProjectLighthouse/Configuration/ConfigurationBase.cs
+++ b/ProjectLighthouse/Configuration/ConfigurationBase.cs
@@ -165,6 +165,9 @@ public abstract class ConfigurationBase<T> where T : class, new()
                 continue;
             }
 
+            // Expand environment variables in strings. Format is windows-like (%ENV_NAME%)
+            if (propertyInfo.PropertyType == typeof(string)) value = Environment.ExpandEnvironmentVariables((string)value);
+
             local.SetValue(this, value);
         }
     }