diff --git a/Code/Mantid/Framework/DataHandling/src/LoadSINQFocus.cpp b/Code/Mantid/Framework/DataHandling/src/LoadSINQFocus.cpp
index f111d983f415..482729016aae 100644
--- a/Code/Mantid/Framework/DataHandling/src/LoadSINQFocus.cpp
+++ b/Code/Mantid/Framework/DataHandling/src/LoadSINQFocus.cpp
@@ -23,8 +23,9 @@ DECLARE_NEXUS_FILELOADER_ALGORITHM(LoadSINQFocus);
 //----------------------------------------------------------------------------------------------
 /** Constructor
  */
-LoadSINQFocus::LoadSINQFocus() {
-  m_instrumentName = "";
+LoadSINQFocus::LoadSINQFocus(): m_instrumentName(""), m_instrumentPath(),
+    m_localWorkspace(), m_numberOfTubes(0), m_numberOfPixelsPerTube(0),
+    m_numberOfChannels(0), m_numberOfHistograms(0), m_loader() {
   m_supportedInstruments.push_back("FOCUS");
   this->useAlgorithm("LoadSINQ");
   this->deprecatedDate("2013-10-28");