diff --git a/graphics/composer/2.1/default/service.cpp b/graphics/composer/2.1/default/service.cpp
index aa0604a..82a33f6 100644
--- a/graphics/composer/2.1/default/service.cpp
+++ b/graphics/composer/2.1/default/service.cpp
@@ -40,5 +40,5 @@
         ALOGE("Couldn't set SCHED_FIFO: %d", errno);
     }
 
-    return defaultPassthroughServiceImplementation<IComposer>();
+    return defaultPassthroughServiceImplementation<IComposer>(4);
 }