diff --git a/src/osgFX/Outline.cpp b/src/osgFX/Outline.cpp
index a9dae9dbb..729e45d8a 100644
--- a/src/osgFX/Outline.cpp
+++ b/src/osgFX/Outline.cpp
@@ -91,7 +91,7 @@ namespace osgFX
 
                 // stencil op
                 osg::Stencil* stencil  = new osg::Stencil;
-                stencil->setFunction(osg::Stencil::ALWAYS, 1, ~0);
+                stencil->setFunction(osg::Stencil::ALWAYS, 1, ~0u);
                 stencil->setOperation(osg::Stencil::KEEP,
                                       osg::Stencil::KEEP,
                                       osg::Stencil::REPLACE);
@@ -112,7 +112,7 @@ namespace osgFX
 
                 // stencil op
                 osg::Stencil* stencil  = new osg::Stencil;
-                stencil->setFunction(osg::Stencil::NOTEQUAL, 1, ~0);
+                stencil->setFunction(osg::Stencil::NOTEQUAL, 1, ~0u);
                 stencil->setOperation(osg::Stencil::KEEP,
                                       osg::Stencil::KEEP,
                                       osg::Stencil::REPLACE);
diff --git a/src/osgGA/StateSetManipulator.cpp b/src/osgGA/StateSetManipulator.cpp
index 9d98bfff5..4dcd1b2d4 100644
--- a/src/osgGA/StateSetManipulator.cpp
+++ b/src/osgGA/StateSetManipulator.cpp
@@ -103,7 +103,7 @@ bool StateSetManipulator::handle(const GUIEventAdapter& ea,GUIActionAdapter& aa)
                    (_stateset->getTextureMode(0,GL_TEXTURE_CUBE_MAP)&mode);
                    
         #if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE)
-            _texture |= (_stateset->getTextureMode(0,GL_TEXTURE_1D)&mode);
+            _texture |= ((_stateset->getTextureMode(0,GL_TEXTURE_1D)&mode)!=0);
         #endif
     }