Refs #4814. Return value in a more correct manner.

mantidproject · Feb 21, 2012 · bfdf820 · bfdf820
1 parent dfae42f
commit bfdf820
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Code/Mantid/Framework/Geometry/src/Instrument.cpp b/Code/Mantid/Framework/Geometry/src/Instrument.cpp
@@ -486,8 +486,10 @@ namespace Mantid
          return false;
       // Access the parameter map directly.
       Parameter_sptr maskedParam = m_map->get(det, "masked");
+      if (!maskedParam)
+        return false;
       // If the parameter is defined, then yes, it is masked.
-      return bool(maskedParam);
+      return maskedParam->value<bool>();
     }
 
     //--------------------------------------------------------------------------