diff --git a/Framework/DataHandling/inc/MantidDataHandling/NexusFileLoader.h b/Framework/DataHandling/inc/MantidDataHandling/NexusFileLoader.h
index 3d5b38970e95594b343ad55f8525b478c3ab9784..730097ec1ee1913c81a00f10149eeda76624772b 100644
--- a/Framework/DataHandling/inc/MantidDataHandling/NexusFileLoader.h
+++ b/Framework/DataHandling/inc/MantidDataHandling/NexusFileLoader.h
@@ -10,23 +10,20 @@
 #include "MantidKernel/System.h"
 #include "MantidNexus/NexusHDF5Descriptor.h"
 
-namespace Mantid {
-namespace API {
+namespace Mantid::DataHandling {
 
 class DLLExport NexusFileLoader
-    : public IFileLoader<Mantid::Nexus::NexusHDF5Descriptor> {
+    : public API::IFileLoader<Mantid::NeXus::NexusHDF5Descriptor> {
 public:
   void exec() override;
-  void createChildAlgorithm(const std::string &name,
-                            const double startProgress = -1.,
-                            const double endProgress = -1.,
-                            const bool enableLogging = true,
-                            const int &version = -1) override;
+  boost::shared_ptr<Algorithm> createChildAlgorithm(
+      const std::string &name, const double startProgress = -1.,
+      const double endProgress = -1., const bool enableLogging = true,
+      const int &version = -1) override;
   void
-  setFileInfo(std::shared_ptr<Mantid::Nexus::NexusHDF5Descriptor> fileInfo);
+  setFileInfo(std::shared_ptr<Mantid::NeXus::NexusHDF5Descriptor> fileInfo);
 
 private:
-  std::shared_ptr<Mantid::Nexus::NexusHDF5Descriptor> m_fileInfo;
+  std::shared_ptr<Mantid::NeXus::NexusHDF5Descriptor> m_fileInfo;
 };
-} // namespace API
-} // namespace Mantid
+} // namespace Mantid::DataHandling
diff --git a/Framework/DataHandling/src/NexusFileLoader.cpp b/Framework/DataHandling/src/NexusFileLoader.cpp
index f857b7812fc2625266b88948acefaa9c345349ec..9bcbee1ac9a0c75f948568af2fb6283aa736b979 100644
--- a/Framework/DataHandling/src/NexusFileLoader.cpp
+++ b/Framework/DataHandling/src/NexusFileLoader.cpp
@@ -8,13 +8,16 @@
 
 namespace Mantid::DataHandling {
   void NexusFileLoader::exec() {}
-  void createChildAlgorithm(const std::string &name,
-                            const double startProgress,
-                            const double endProgress,
-                            const bool enableLogging,
-                            const int &version) {}
-  void
-  setFileInfo(std::shared_ptr<Mantid::Nexus::NexusHDF5Descriptor> fileInfo) {
-    m_fileinfo = std::move(fileInfo);
+  boost::shared_ptr<Mantid::API::Algorithm>
+  NexusFileLoader::createChildAlgorithm(const std::string &name,
+                                        const double startProgress,
+                                        const double endProgress,
+                                        const bool enableLogging,
+                                        const int &version) {
+    return nullptr;
+  }
+  void NexusFileLoader::setFileInfo(
+      std::shared_ptr<Mantid::NeXus::NexusHDF5Descriptor> fileInfo) {
+    m_fileInfo = std::move(fileInfo);
   }
 }