diff --git a/.github/workflows/test-push.yml b/.github/workflows/test-push.yml
index fcb43f99..e87fb3e3 100644
--- a/.github/workflows/test-push.yml
+++ b/.github/workflows/test-push.yml
@@ -280,7 +280,7 @@ jobs:
           fetch-depth: 2
       - name: Set up tools
         run: |
-          sudo apt update && sudo apt install awscli zip zstd -y
+          sudo apt update && sudo apt install awscli zip zstd perl -y
           aws configure set aws_access_key_id ${{ secrets.STORAGE_ACCESS_KEY }}
           aws configure set aws_secret_access_key ${{ secrets.STORAGE_ACCESS_SECRET }}
           aws configure set default.s3.signature_version s3v4
diff --git a/server/src/kvengine/encoding.rs b/server/src/kvengine/encoding.rs
index db45e187..90635e43 100644
--- a/server/src/kvengine/encoding.rs
+++ b/server/src/kvengine/encoding.rs
@@ -100,7 +100,8 @@ fn gen_unicode() -> Vec<String> {
     path.push_str("/scripts/unicode.pl");
     fs::create_dir_all("./utf8/separated").unwrap();
     fs::create_dir_all("./utf8/unseparated").unwrap();
-    let _cmd = Command::new("perl").arg("-w").arg(path).output().unwrap();
+    let cmd = Command::new("perl").arg("-w").arg(path).output().unwrap();
+    assert!(cmd.stderr.is_empty());
     let mut strings = vec![];
     for file in fs::read_dir("utf8/separated").unwrap() {
         strings.push(fs::read_to_string(file.unwrap().path()).unwrap());