diff --git a/Code/Mantid/Framework/DataHandling/src/Load.cpp b/Code/Mantid/Framework/DataHandling/src/Load.cpp
index 73fdbd6c1f97f4b9693fdbdf6b3ee2b3bd94c8c5..61d9d5ab6125a96c1439f6d5d0c06ae442fbba60 100644
--- a/Code/Mantid/Framework/DataHandling/src/Load.cpp
+++ b/Code/Mantid/Framework/DataHandling/src/Load.cpp
@@ -325,6 +325,7 @@ namespace Mantid
       exts.push_back(".nxspe");
       exts.push_back(".h5");
       exts.push_back(".hd5");
+      exts.push_back(".sqw");
 
       declareProperty(new MultipleFileProperty("Filename", exts),
         "The name of the file(s) to read, including the full or relative "