diff --git a/repos/base/include/root/component.h b/repos/base/include/root/component.h
index 561a6335fc..810344486d 100644
--- a/repos/base/include/root/component.h
+++ b/repos/base/include/root/component.h
@@ -253,7 +253,7 @@ class Genode::Root_component : public Rpc_object<Typed_root<SESSION_TYPE> >,
 
 			SESSION_TYPE *s = 0;
 			try { s = _create_session(adjusted_args, affinity); }
-			catch (Allocator::Out_of_memory) { throw Root::Quota_exceeded(); }
+			catch (Allocator::Out_of_memory) { throw Root::Unavailable(); }
 
 			return _ep->manage(s);
 		}