--- PyQt5_gpl-5.8.2/configure.py~	2017-03-30 08:46:57.000000000 +0000
+++ PyQt5_gpl-5.8.2/configure.py	2017-05-16 16:48:18.543916862 +0000
@@ -405,7 +405,7 @@
 
         self.inc_dir = sysconfig.get_python_inc()
         self.venv_inc_dir = sysconfig.get_python_inc(prefix=sys.prefix)
-        self.module_dir = sysconfig.get_python_lib(plat_specific=1)
+        self.module_dir = sysconfig.get_python_lib(plat_specific=1, prefix=sys.prefix)
         self.debug = hasattr(sys, 'gettotalrefcount')
 
         if sys.platform == 'win32':