diff --git a/src/plugins/platforms/qnx/qqnxglcontext.cpp b/src/plugins/platforms/qnx/qqnxglcontext.cpp
index 3a365be408..23db7f09f3 100644
--- a/src/plugins/platforms/qnx/qqnxglcontext.cpp
+++ b/src/plugins/platforms/qnx/qqnxglcontext.cpp
@@ -124,15 +124,11 @@ QQnxGLContext::QQnxGLContext(QOpenGLContext *glContext)
     if (m_eglConfig == 0)
         qFatal("QQnxGLContext: failed to find EGL config");
 
-    EGLContext shareContext = EGL_NO_CONTEXT;
-    if (m_glContext) {
-        QQnxGLContext *qshareContext = dynamic_cast<QQnxGLContext*>(m_glContext->shareHandle());
-        if (qshareContext) {
-            shareContext = qshareContext->m_eglContext;
-        }
-    }
+    QQnxGLContext *glShareContext = static_cast<QQnxGLContext*>(m_glContext->shareHandle());
+    m_eglShareContext = glShareContext ? glShareContext->m_eglContext : EGL_NO_CONTEXT;
 
-    m_eglContext = eglCreateContext(ms_eglDisplay, m_eglConfig, shareContext, contextAttrs(format));
+    m_eglContext = eglCreateContext(ms_eglDisplay, m_eglConfig, m_eglShareContext,
+                                    contextAttrs(format));
     if (m_eglContext == EGL_NO_CONTEXT) {
         checkEGLError("eglCreateContext");
         qFatal("QQnxGLContext: failed to create EGL context, err=%d", eglGetError());
@@ -271,6 +267,11 @@ QFunctionPointer QQnxGLContext::getProcAddress(const QByteArray &procName)
     return static_cast<QFunctionPointer>(eglGetProcAddress(procName.constData()));
 }
 
+bool QQnxGLContext::isSharing() const
+{
+    return m_eglShareContext != EGL_NO_CONTEXT;
+}
+
 EGLDisplay QQnxGLContext::getEglDisplay() {
     return ms_eglDisplay;
 }
diff --git a/src/plugins/platforms/qnx/qqnxglcontext.h b/src/plugins/platforms/qnx/qqnxglcontext.h
index af89586bd5..d12de7342b 100644
--- a/src/plugins/platforms/qnx/qqnxglcontext.h
+++ b/src/plugins/platforms/qnx/qqnxglcontext.h
@@ -72,6 +72,7 @@ public:
     QFunctionPointer getProcAddress(const QByteArray &procName);
 
     virtual QSurfaceFormat format() const { return m_windowFormat; }
+    bool isSharing() const;
 
     static EGLDisplay getEglDisplay();
     EGLConfig getEglConfig() const { return m_eglConfig;}
@@ -86,6 +87,7 @@ private:
 
     EGLConfig m_eglConfig;
     EGLContext m_eglContext;
+    EGLContext m_eglShareContext;
     EGLSurface m_currentEglSurface;
 
     static EGLint *contextAttrs(const QSurfaceFormat &format);