diff --git a/src/osg/Shader.cpp b/src/osg/Shader.cpp
index 167d016b1..1b11789fc 100644
--- a/src/osg/Shader.cpp
+++ b/src/osg/Shader.cpp
@@ -633,7 +633,7 @@ void Shader::PerContextShader::compileShader(osg::State& state)
 
     GLint compiled = GL_FALSE;
 
-    // OSG_NOTICE<<"Compiling PerContextShader "<<this<<" ShaderDefine="<<getDefineString()<<std::endl;
+    // OSG_NOTICE<<"Compiling PerContextShader "<<this<<" DefineString="<<getDefineString()<<std::endl;
 
     if (_defineStr.empty())
     {
@@ -675,21 +675,26 @@ void Shader::PerContextShader::compileShader(osg::State& state)
 
         if (!versionLine.empty())
         {
-            // OSG_NOTICE<<"Shader::PerContextShader::compileShader() : Found #version,  lineNum = "<<lineNum<<" ["<<versionLine<<"] new source = ["<<source<<"]"<<std::endl;
             const GLchar* sourceText[3];
-            //OSG_NOTICE<<"glShaderSource() ["<<versionLine<<"] "<<std::endl<<"["<<_defineStr<<"], ["<<sourceText<<"]"<<std::endl;
             sourceText[0] = reinterpret_cast<const GLchar*>(versionLine.c_str());
             sourceText[1] = reinterpret_cast<const GLchar*>(_defineStr.c_str());
             sourceText[2] = reinterpret_cast<const GLchar*>(source.c_str());
             _extensions->glShaderSource( _glShaderHandle, 3, sourceText, NULL );
+
+
+            // OSG_NOTICE<<"   Version Line : ["<<std::endl<<versionLine<<"]"<<std::endl;
+            // OSG_NOTICE<<"   DefineStr : ["<<std::endl<<_defineStr<<"]"<<std::endl;
+            // OSG_NOTICE<<"   Source : ["<<std::endl<<source<<"]"<<std::endl;
         }
         else
         {
             const GLchar* sourceText[2];
-            //OSG_NOTICE<<"glShaderSource() ["<<_defineStr<<"], ["<<sourceText<<"]"<<std::endl;
             sourceText[0] = reinterpret_cast<const GLchar*>(_defineStr.c_str());
             sourceText[1] = reinterpret_cast<const GLchar*>(source.c_str());
             _extensions->glShaderSource( _glShaderHandle, 2, sourceText, NULL );
+
+            // OSG_NOTICE<<"   DefineStr : ["<<std::endl<<_defineStr<<"]"<<std::endl;
+            // OSG_NOTICE<<"   Source : ["<<std::endl<<source<<"]"<<std::endl;
         }
     }
     _extensions->glCompileShader( _glShaderHandle );