diff --git a/dataflow_cpp/include/embb/dataflow/internal/source.h b/dataflow_cpp/include/embb/dataflow/internal/source.h
index 4586123..b2c883a 100644
--- a/dataflow_cpp/include/embb/dataflow/internal/source.h
+++ b/dataflow_cpp/include/embb/dataflow/internal/source.h
@@ -32,6 +32,7 @@
 #include <embb/dataflow/internal/node.h>
 #include <embb/dataflow/internal/outputs.h>
 #include <embb/dataflow/internal/source_executor.h>
+#include <embb/dataflow/internal/action.h>
 
 namespace embb {
 namespace dataflow {