diff --git a/recipes/pyopenms/meta.yaml b/recipes/pyopenms/meta.yaml
index a91f3efde59f3..e05cc5c183bab 100644
--- a/recipes/pyopenms/meta.yaml
+++ b/recipes/pyopenms/meta.yaml
@@ -17,7 +17,7 @@ source:
 
 build:
   skip: True  # [py2k]
-  number: 3
+  number: 0
 
 requirements:
   build: