diff -ru pyside2-git/cmake/Macros/PySideModules.cmake pyside2-git.new/cmake/Macros/PySideModules.cmake
--- pyside2-git/cmake/Macros/PySideModules.cmake	2017-06-16 22:33:54.712099607 +0200
+++ pyside2-git.new/cmake/Macros/PySideModules.cmake	2017-06-16 22:54:42.604343309 +0200
@@ -101,7 +101,7 @@
     add_library(${module_name} MODULE ${${module_sources}} ${${module_static_sources}})
     set_target_properties(${module_name} PROPERTIES
                           PREFIX ""
-                          OUTPUT_NAME "${module_name}${PYTHON_EXTENSION_SUFFIX}"
+                          OUTPUT_NAME "${module_name}"
                           LIBRARY_OUTPUT_DIRECTORY ${pyside2_BINARY_DIR})
     if(WIN32)
         set_target_properties(${module_name} PROPERTIES SUFFIX ".pyd")