diff --git a/hosts/bicep/services/mysql/backup.nix b/hosts/bicep/services/mysql/backup.nix
index 99035ff..17b9f08 100644
--- a/hosts/bicep/services/mysql/backup.nix
+++ b/hosts/bicep/services/mysql/backup.nix
@@ -56,7 +56,7 @@ in
       rm "$STATE_DIRECTORY/mysql-dump-latest.sql.zst" ||:
       ln -T "$OUT_FILE" "$STATE_DIRECTORY/mysql-dump-latest.sql.zst"
 
-      while [ $(find -type f "$STATE_DIRECTORY" -printf '.' | wc -c) -gt ${toString rotations} ]; do
+      while [ $(find -type f -printf '.' "$STATE_DIRECTORY" | wc -c) -gt ${toString (rotations + 1)} ]; do
         rm $(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)
       done
     '';
diff --git a/hosts/bicep/services/postgresql/backup.nix b/hosts/bicep/services/postgresql/backup.nix
index e3c9646..d9ca01a 100644
--- a/hosts/bicep/services/postgresql/backup.nix
+++ b/hosts/bicep/services/postgresql/backup.nix
@@ -57,7 +57,7 @@ in
       rm "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst" ||:
       ln -T "$OUT_FILE" "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst"
 
-      while [ $(find -type f "$STATE_DIRECTORY" -printf '.' | wc -c) -gt ${toString rotations} ]; do
+      while [ $(find -type f -printf '.' "$STATE_DIRECTORY" | wc -c) -gt ${toString (rotations + 1)} ]; do
         rm $(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)
       done
     '';