diff --git a/src/gui/opengl/qopenglshaderprogram.cpp b/src/gui/opengl/qopenglshaderprogram.cpp
index 69b4fc9858..8ee2928a1f 100644
--- a/src/gui/opengl/qopenglshaderprogram.cpp
+++ b/src/gui/opengl/qopenglshaderprogram.cpp
@@ -594,6 +594,7 @@ bool QOpenGLShaderProgram::init()
     QOpenGLContext *context = const_cast<QOpenGLContext *>(QOpenGLContext::currentContext());
     if (!context)
         return false;
+    d->glfuncs->initializeGLFunctions();
     GLuint program = d->glfuncs->glCreateProgram();
     if (!program) {
         qWarning() << "QOpenGLShaderProgram: could not create shader program";