diff --git a/src/osgPlugins/flt/flt2osg.cpp b/src/osgPlugins/flt/flt2osg.cpp
index e20f60a26..01cd8f7be 100644
--- a/src/osgPlugins/flt/flt2osg.cpp
+++ b/src/osgPlugins/flt/flt2osg.cpp
@@ -571,8 +571,8 @@ osg::Group* ConvertFromFLT::visitGroup(osg::Group& osgParent, GroupRecord* rec)
     SGroup* currentGroup = (SGroup*) rec->getData();
 
     // OpenFlight 15.7 has two animation flags, forward and swing 
-    bool forwardAnim = (currentGroup->dwFlags & GroupRecord::FORWARD_ANIM);
-    bool swingAnim = (currentGroup->dwFlags & GroupRecord::SWING_ANIM);
+    bool forwardAnim = (currentGroup->dwFlags & GroupRecord::FORWARD_ANIM)!=0;
+    bool swingAnim = (currentGroup->dwFlags & GroupRecord::SWING_ANIM)!=0;
      
     if( forwardAnim || swingAnim )
     {