--- a/eric6_browser.py	Sat May 06 13:44:26 2017 +0200
+++ b/eric6_browser.py	Sat Jun 03 13:08:50 2017 +0200
@@ -30,10 +30,10 @@
 import sys
 import os
 
-MIN_QT_VERSION = "5.6.0"
+from Globals import qVersionTuple
 
-from PyQt5.QtCore import qVersion
-if qVersion() < MIN_QT_VERSION:
+
+if qVersionTuple() < (5, 6, 0):
     from PyQt5.QtCore import QTimer
     from PyQt5.QtWidgets import QApplication
     from E5Gui import E5MessageBox
@@ -41,8 +41,8 @@
     QTimer.singleShot(0, lambda: E5MessageBox.critical(
         None,
         "eric6 Web Browser",
-        "You need at least Qt Version {0} to execute the web browser."
-          .format(MIN_QT_VERSION)))
+        "You need at least Qt Version 5.6.0 to execute the web browser.")
+    )
     app.exec_()
     sys.exit(100)