diff --git a/Framework/Core/include/Framework/DataProcessorSpec.h b/Framework/Core/include/Framework/DataProcessorSpec.h
index fafb7fda43ce3..9821a2561d08b 100644
--- a/Framework/Core/include/Framework/DataProcessorSpec.h
+++ b/Framework/Core/include/Framework/DataProcessorSpec.h
@@ -40,8 +40,8 @@ struct DataProcessorMetadata {
 
 struct DataProcessorSpec {
   std::string name;
-  Inputs inputs;
-  Outputs outputs;
+  Inputs inputs = {};
+  Outputs outputs = {};
   AlgorithmSpec algorithm;
 
   Options options = {};