diff --git a/src/plugins/glsleditor/glsleditor.cpp b/src/plugins/glsleditor/glsleditor.cpp
index aa14a53fcf8..b71b5f5a7a5 100644
--- a/src/plugins/glsleditor/glsleditor.cpp
+++ b/src/plugins/glsleditor/glsleditor.cpp
@@ -214,13 +214,12 @@ void GlslEditorWidget::updateDocumentNow()
     const QByteArray preprocessedCode = contents.toLatin1(); // ### use the QtCreator C++ preprocessor.
 
     Document::Ptr doc(new Document());
-    Engine engine;
     doc->_engine = new Engine();
     Parser parser(doc->_engine, preprocessedCode.constData(), preprocessedCode.size(), variant);
     TranslationUnitAST *ast = parser.parse();
     if (ast != 0 || extraSelections(CodeWarningsSelection).isEmpty()) {
         Semantic sem;
-        Scope *globalScope = engine.newNamespace();
+        Scope *globalScope = new Namespace();
         doc->_globalScope = globalScope;
         const GlslEditorPlugin::InitFile *file = GlslEditorPlugin::shaderInit(variant);
         sem.translationUnit(file->ast, globalScope, file->engine);
@@ -232,7 +231,7 @@ void GlslEditorWidget::updateDocumentNow()
             file = GlslEditorPlugin::fragmentShaderInit(variant);
             sem.translationUnit(file->ast, globalScope, file->engine);
         }
-        sem.translationUnit(ast, globalScope, &engine);
+        sem.translationUnit(ast, globalScope, doc->_engine);
 
         CreateRanges createRanges(document(), doc);
         createRanges(ast);
@@ -248,7 +247,7 @@ void GlslEditorWidget::updateDocumentNow()
         QList<QTextEdit::ExtraSelection> sels;
         QSet<int> errors;
 
-        foreach (const DiagnosticMessage &m, engine.diagnosticMessages()) {
+        foreach (const DiagnosticMessage &m, doc->_engine->diagnosticMessages()) {
             if (! m.line())
                 continue;
             else if (errors.contains(m.line()))