diff --git a/src/pineko/cli/fonll.py b/src/pineko/cli/fonll.py
index 7b041617..30a29c98 100644
--- a/src/pineko/cli/fonll.py
+++ b/src/pineko/cli/fonll.py
@@ -172,4 +172,3 @@ def fonll_tcards(theoryid, cfg):
     if "FONLL" not in tcard["FNS"]:
         raise TheoryCardError("The theorycard does not correspond to an FONLL scheme.")
     fonll.dump_tcards(tcard, tcard_parent_path, theoryid)
-    return