diff --git a/src/PepperDash.Essentials.Core/Room/IHasDestinationList.cs b/src/PepperDash.Essentials.Core/Room/IHasDestinationList.cs
index cf52d2d3..a731e672 100644
--- a/src/PepperDash.Essentials.Core/Room/IHasDestinationList.cs
+++ b/src/PepperDash.Essentials.Core/Room/IHasDestinationList.cs
@@ -5,7 +5,7 @@ using PepperDash.Essentials.Core;
 /// <summary>
 /// Interface for rooms with a list of destinations
 /// </summary>
-interface IHasDestinationList
+public interface IHasDestinationList
 {
     /// <summary>
     /// Gets the dictionary of destinations.
diff --git a/src/PepperDash.Essentials.Core/Room/IHasSourceList.cs b/src/PepperDash.Essentials.Core/Room/IHasSourceList.cs
index 33675add..c3f0d70f 100644
--- a/src/PepperDash.Essentials.Core/Room/IHasSourceList.cs
+++ b/src/PepperDash.Essentials.Core/Room/IHasSourceList.cs
@@ -5,7 +5,7 @@ using PepperDash.Essentials.Core;
 /// <summary>
 /// Interface for rooms with a list of destinations
 /// </summary>
-interface IHasSourceList
+public interface IHasSourceList
 {
     /// <summary>
     /// Gets the list of sources.