diff --git a/.bashrc.d/11-functions.bashrc b/.bashrc.d/11-functions.bashrc
index 3d37f0a..876cc0f 100644
--- a/.bashrc.d/11-functions.bashrc
+++ b/.bashrc.d/11-functions.bashrc
@@ -774,7 +774,7 @@ if command -v epy 1> /dev/null; then
         fi
         echo "${_METADATA[2]}|${_METADATA[3]}|${_METADATA[1]}|${_METADATA[0]}|${_REALFILE}"
       done \
-      | sort --field-separator '|' --key=3 --key=2 --key=1 --ignore-case --ignore-leading-blanks \
+      | sort --field-separator '|' --key=3,3 --key=2,2n --key=1,1 --ignore-case --ignore-leading-blanks \
       | column --output-separator '	' --separator '|' --table --table-columns 'Serie-------------->,Index,Author-------------->,Title,File' --table-columns-limit 5 --table-truncate 1,3 \
       | fzf --no-mouse --cycle --reverse --no-hscroll --header-lines=1 --prompt "Choose an EPUB book to read with epy > " \
       | awk -F '\t' '{print $NF}')