diff --git a/cura_app.py b/cura_app.py
index 03399b5614..0290049c28 100755
--- a/cura_app.py
+++ b/cura_app.py
@@ -18,6 +18,7 @@ import os
 if sys.platform != "linux":  # Turns out the Linux build _does_ use this, but we're not making an Enterprise release for that system anyway.
     os.environ["QT_PLUGIN_PATH"] = ""  # Security workaround: Don't need it, and introduces an attack vector, so set to nul.
     os.environ["QML2_IMPORT_PATH"] = ""  # Security workaround: Don't need it, and introduces an attack vector, so set to nul.
+    os.environ["QT_OPENGL_DLL"] = ""  # Security workaround: Don't need it, and introduces an attack vector, so set to nul.
 
 from PyQt5.QtNetwork import QSslConfiguration, QSslSocket