diff --git a/filcnaplo/build.sh b/filcnaplo/build.sh
index da741c2..a38f5ed 100755
--- a/filcnaplo/build.sh
+++ b/filcnaplo/build.sh
@@ -1,12 +1,3 @@
-#!/usr/bin/env fish
-
-# With build number
-function get_version_bn
-  cat pubspec.yaml | grep version: | cut -d' ' -f2
-end
-
-function get_version
-  cat pubspec.yaml | grep version: | cut -d' ' -f2 | cut -d+ -f1
-end
-
-flutter build apk --release --dart-define=APPVER=(get_version) --no-tree-shake-icons
+#!/usr/bin/env sh
+
+flutter build apk --release --dart-define=APPVER=$(cat pubspec.yaml | grep version: | cut -d' ' -f2 | cut -d+ -f1) --no-tree-shake-icons