diff --git a/Detectors/TPC/workflow/src/TrackReaderWorkflow.cxx b/Detectors/TPC/workflow/src/TrackReaderWorkflow.cxx
index b51fba091b190..b5f1db99cfc5a 100644
--- a/Detectors/TPC/workflow/src/TrackReaderWorkflow.cxx
+++ b/Detectors/TPC/workflow/src/TrackReaderWorkflow.cxx
@@ -36,7 +36,7 @@
 
 // we need a global variable to propagate the type the message dispatching of the
 // publisher will trigger on. This is dependent on the input type
-o2::framework::Output gDispatchTrigger{"", ""};
+o2::framework::ConcreteDataTypeMatcher gDispatchTrigger{"", ""};
 
 void customize(std::vector<o2::framework::CallbacksPolicy>& policies)
 {
@@ -96,7 +96,7 @@ WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
     // nothing to do we leave the matcher empty which will suppress the dispatch
     // trigger and all messages will be sent out together at end of computation
   } else if (inputType == "tracks") {
-    gDispatchTrigger = o2::framework::Output{"TPC", "TRACKS"};
+    gDispatchTrigger = o2::framework::ConcreteDataTypeMatcher{"TPC", "TRACKS"};
   }
 
   bool doMC = not cfgc.options().get<bool>("disable-mc");
diff --git a/Detectors/TPC/workflow/src/tpc-reco-workflow.cxx b/Detectors/TPC/workflow/src/tpc-reco-workflow.cxx
index 4d364e74bb620..9d7ab63b0c2a0 100644
--- a/Detectors/TPC/workflow/src/tpc-reco-workflow.cxx
+++ b/Detectors/TPC/workflow/src/tpc-reco-workflow.cxx
@@ -39,7 +39,7 @@
 
 // we need a global variable to propagate the type the message dispatching of the
 // publisher will trigger on. This is dependent on the input type
-static o2::framework::Output gDispatchTrigger{"", ""};
+static o2::framework::ConcreteDataTypeMatcher gDispatchTrigger{"", ""};
 
 // Global variable used to transport data to the completion policy
 static o2::tpc::reco_workflow::CompletionPolicyData gPolicyData;
@@ -152,13 +152,13 @@ WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
     // nothing to do we leave the matcher empty which will suppress the dispatch
     // trigger and all messages will be sent out together at end of computation
   } else if (inputType == "digits") {
-    gDispatchTrigger = o2::framework::Output{"TPC", "DIGITS"};
+    gDispatchTrigger = o2::framework::ConcreteDataTypeMatcher{"TPC", "DIGITS"};
   } else if (inputType == "clustershw") {
-    gDispatchTrigger = o2::framework::Output{"TPC", "CLUSTERHW"};
+    gDispatchTrigger = o2::framework::ConcreteDataTypeMatcher{"TPC", "CLUSTERHW"};
   } else if (inputType == "clustersnative") {
-    gDispatchTrigger = o2::framework::Output{"TPC", "CLUSTERNATIVE"};
+    gDispatchTrigger = o2::framework::ConcreteDataTypeMatcher{"TPC", "CLUSTERNATIVE"};
   } else if (inputType == "zsraw") {
-    gDispatchTrigger = o2::framework::Output{"TPC", "RAWDATA"};
+    gDispatchTrigger = o2::framework::ConcreteDataTypeMatcher{"TPC", "RAWDATA"};
   }
   // set up configuration
   o2::conf::ConfigurableParam::updateFromFile(cfgc.options().get<std::string>("configFile"));