diff --git a/src/tools/qdoc/htmlgenerator.cpp b/src/tools/qdoc/htmlgenerator.cpp
index 0f68c12039..f17e3adde8 100644
--- a/src/tools/qdoc/htmlgenerator.cpp
+++ b/src/tools/qdoc/htmlgenerator.cpp
@@ -1936,7 +1936,7 @@ void HtmlGenerator::generateRequisites(InnerNode *inner, CodeMarker *marker)
 
         //add the QT variable to the map
         DocNode * moduleNode = qdb_->findModule(classe->moduleName());
-        if (moduleNode || !moduleNode->qtVariable().isEmpty()) {
+        if (moduleNode && !moduleNode->qtVariable().isEmpty()) {
             text.clear();
             text << Atom(Atom::FormattingLeft, ATOM_FORMATTING_TELETYPE)
                  << "QT += " + moduleNode->qtVariable()