diff --git a/xpra/codecs/pillow/encoder.py b/xpra/codecs/pillow/encoder.py
index ab821c2ebd..ef653290aa 100644
--- a/xpra/codecs/pillow/encoder.py
+++ b/xpra/codecs/pillow/encoder.py
@@ -17,7 +17,7 @@
 
 log = Logger("encoder", "pillow")
 
-ENCODE_FORMATS = os.environ.get("XPRA_PILLOW_ENCODE_FORMATS", "png,png/L,png/P,jpeg,webp").split(",")
+ENCODE_FORMATS = os.environ.get("XPRA_PILLOW_ENCODE_FORMATS", "png,png/L,png/P,jpeg").split(",")
 
 Image.init()