diff --git a/rudaux/flows.py b/rudaux/flows.py
index e6731e7..2d9598c 100644
--- a/rudaux/flows.py
+++ b/rudaux/flows.py
@@ -23,7 +23,7 @@
 
 
 filter_skip = FilterTask(
-    filter_func=lambda x: not isinstance(x, (signals.SKIP, type(None)))
+    filter_func = lambda x: not isinstance(x, (signals.SKIP, type(None)))
 )
 
 __PROJECT_NAME = "rudaux"