diff --git a/snakecnv/mergebatches.snk b/snakecnv/mergebatches.snk
index 3431257815b07f9cbc6616a60c5d0eb826f890b9..72a9bfe1b35d6b99c9ca510c8af80017453f09cf 100644
--- a/snakecnv/mergebatches.snk
+++ b/snakecnv/mergebatches.snk
@@ -186,4 +186,4 @@ rule summary:
     threads:
         1
     shell:
-        jupyter nbconvert --to html --template {params.tpl} --execute {output.ipynb}
\ No newline at end of file
+        "jupyter nbconvert --to html --template {params.tpl} --execute {output.ipynb}"
\ No newline at end of file