diff --git a/dataflow_cpp/include/embb/dataflow/internal/process.h b/dataflow_cpp/include/embb/dataflow/internal/process.h
index 4f5bc3f..e6f001a 100644
--- a/dataflow_cpp/include/embb/dataflow/internal/process.h
+++ b/dataflow_cpp/include/embb/dataflow/internal/process.h
@@ -102,8 +102,9 @@ class Process< Slices, Serial, Inputs<Slices, I1, I2, I3, I4, I5>,
   }
 
   template <typename T>
-  void operator >> (T & target) {
+  T & operator >> (T & target) {
     GetOutput<0>() >> target.template GetInput<0>();
+    return target;
   }
 
   virtual void OnClock(int clock) {
diff --git a/dataflow_cpp/include/embb/dataflow/internal/select.h b/dataflow_cpp/include/embb/dataflow/internal/select.h
index f3a499f..e184e2b 100644
--- a/dataflow_cpp/include/embb/dataflow/internal/select.h
+++ b/dataflow_cpp/include/embb/dataflow/internal/select.h
@@ -105,8 +105,9 @@ class Select
   }
 
   template <typename T>
-  void operator >> (T & target) {
+  T & operator >> (T & target) {
     GetOutput<0>() >> target.template GetInput<0>();
+    return target;
   }
 
   virtual void OnClock(int clock) {
diff --git a/dataflow_cpp/include/embb/dataflow/internal/source.h b/dataflow_cpp/include/embb/dataflow/internal/source.h
index 72f198b..bce273c 100644
--- a/dataflow_cpp/include/embb/dataflow/internal/source.h
+++ b/dataflow_cpp/include/embb/dataflow/internal/source.h
@@ -81,8 +81,9 @@ class Source< Slices, Outputs<Slices, O1, O2, O3, O4, O5> >
   }
 
   template <typename T>
-  void operator >> (T & target) {
+  T & operator >> (T & target) {
     GetOutput<0>() >> target.template GetInput<0>();
+    return target;
   }
 
  private:
diff --git a/dataflow_cpp/include/embb/dataflow/internal/switch.h b/dataflow_cpp/include/embb/dataflow/internal/switch.h
index 3bf36ee..0015ad9 100644
--- a/dataflow_cpp/include/embb/dataflow/internal/switch.h
+++ b/dataflow_cpp/include/embb/dataflow/internal/switch.h
@@ -103,8 +103,9 @@ class Switch
   }
 
   template <typename T>
-  void operator >> (T & target) {
+  T & operator >> (T & target) {
     GetOutput<0>() >> target.template GetInput<0>();
+    return target;
   }
 
   virtual void OnClock(int clock) {