diff --git a/setup/build_environment.py b/setup/build_environment.py
index ae940d4d57..f428b78338 100644
--- a/setup/build_environment.py
+++ b/setup/build_environment.py
@@ -130,7 +130,8 @@ QT_DLLS = ['Qt5' + x for x in (
 )]
 QT_PLUGINS = ('imageformats', 'audio', 'iconengines', 'mediaservice', 'platforms', 'playlistformats', 'printsupport', 'sqldrivers')
 if islinux:
-    QT_PLUGINS += ('platforminputcontexts', 'generic', 'platformthemes')
+    # platformthemes cause crashes in Ubuntu
+    QT_PLUGINS += ('platforminputcontexts', 'generic',)
 
 PYQT_MODULES = ('Qt', 'QtCore', 'QtGui', 'QtNetwork',  # 'QtMultimedia', 'QtMultimediaWidgets',
                 'QtPrintSupport', 'QtSensors', 'QtSvg', 'QtWebKit', 'QtWebKitWidgets', 'QtWidgets')