diff --git a/qgis_bootstrap.py b/qgis_bootstrap.py
index 40273f8..36b2e77 100644
--- a/qgis_bootstrap.py
+++ b/qgis_bootstrap.py
@@ -52,6 +52,8 @@ os.environ["PROJ_LIB"] = "/usr/share/proj"
 os.environ["GDAL_DATA"] = "/usr/share/gdal"
 os.environ["QT_PLUGIN_PATH"] = "/usr/lib/x86_64-linux-gnu/qt5/plugins"
 
+os.environ["QT_QPA_PLATFORM"] = "offscreen"
+
 # QGIS Python plugins (THIS IS THE MISSING PART)
 sys.path.append("/usr/share/qgis/python")
 sys.path.append("/usr/share/qgis/python/plugins")