diff --git a/src/gui/opengl/qopenglversionfunctions.cpp b/src/gui/opengl/qopenglversionfunctions.cpp
index 0b1b6834e3..428f6e8a8b 100644
--- a/src/gui/opengl/qopenglversionfunctions.cpp
+++ b/src/gui/opengl/qopenglversionfunctions.cpp
@@ -198,6 +198,8 @@ bool QAbstractOpenGLFunctions::initializeOpenGLFunctions()
     return true;
 }
 
+/*! \internal
+ */
 bool QAbstractOpenGLFunctions::isInitialized() const
 {
     Q_D(const QAbstractOpenGLFunctions);