diff --git a/hawkbit-core/src/main/java/org/eclipse/hawkbit/tenancy/TenantAware.java b/hawkbit-core/src/main/java/org/eclipse/hawkbit/tenancy/TenantAware.java
index 689f5b01a..35199774a 100644
--- a/hawkbit-core/src/main/java/org/eclipse/hawkbit/tenancy/TenantAware.java
+++ b/hawkbit-core/src/main/java/org/eclipse/hawkbit/tenancy/TenantAware.java
@@ -55,7 +55,7 @@ public interface TenantAware {
      *            the return type of the runner
      */
     @FunctionalInterface
-    interface TenantRunner<T> {
+    public interface TenantRunner<T> {
         /**
          * Called to run specific code and a given tenant.
          *