diff --git a/configs/hledger.nix b/configs/hledger.nix
index 54e3ad5..342c9dc 100644
--- a/configs/hledger.nix
+++ b/configs/hledger.nix
@@ -17,8 +17,8 @@
     '')
     (pkgs.writers.writeDashBin "hora-filli" ''
       ${pkgs.hledger}/bin/hledger -f "${timeLedger}" register fillidefilla -O csv \
-        -b "$(date -d "$(date +%Y-%m)-20 last month" +%Y-%m-%d)" \
-        -e "$(date -d "$(date +%Y-%m)-20" +%Y-%m-%d)" \
+        -b "$(date -d "$(date +%Y-%m)-01 last month" +%Y-%m-%d)" \
+        -e "$(date -d "$(date +%Y-%m)-01" +%Y-%m-%d)" \
         | sed 's/(fillidefilla:\(.*\))/\1/g' \
         | xsv select date,amount,total,account,description
     '')