diff --git a/Code/Mantid/Framework/DataHandling/src/LoadLLB.cpp b/Code/Mantid/Framework/DataHandling/src/LoadLLB.cpp
index fd56e936e984..b6fa8df3d966 100644
--- a/Code/Mantid/Framework/DataHandling/src/LoadLLB.cpp
+++ b/Code/Mantid/Framework/DataHandling/src/LoadLLB.cpp
@@ -23,8 +23,9 @@ DECLARE_NEXUS_FILELOADER_ALGORITHM(LoadLLB);
 //----------------------------------------------------------------------------------------------
 /** Constructor
  */
-LoadLLB::LoadLLB() {
-  m_instrumentName = "";
+LoadLLB::LoadLLB(): m_instrumentName(""), m_instrumentPath (""), m_localWorkspace(),
+    m_numberOfTubes(0), m_numberOfPixelsPerTube(0), m_numberOfChannels(0),
+    m_numberOfHistograms(0), m_wavelength(0.0), m_channelWidth(0.0), m_loader() {
   m_supportedInstruments.push_back("MIBEMOL");
 }