diff --git a/src/Command/CreateProductionCommand.php b/src/Command/CreateProductionCommand.php
index 7145d14..e2a827c 100644
--- a/src/Command/CreateProductionCommand.php
+++ b/src/Command/CreateProductionCommand.php
@@ -123,18 +123,9 @@ class CreateProductionCommand extends Command
         }
         printf(" OK (%d)\n", count($knownTerms));
 
-        $total = count($knownTerms);
-        $i = 0;
-        foreach ($allNotes as $note) {
-            $i += 1;
-            if ($i % 12 === 0 or $i === $total) {
-                printf(
-                    "\33[2K\r% 7d/% 7d | %.2f GiB | Getting frequencies",
-                    $i,
-                    $total,
-                    memory_get_usage() / 1024 / 1024 / 1024
-                );
-            }
+        $progress = new Progress('Getting frequenciees', count($allSentenceNotes));
+        foreach ($allSentenceNotes as $note) {
+            $progress->tick();
 
             assert($note instanceof SentenceNote);
 
diff --git a/src/Utils/Progress.php b/src/Utils/Progress.php
new file mode 100644
index 0000000..e8e971f
--- /dev/null
+++ b/src/Utils/Progress.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Utils;
+
+class Progress
+{
+    function __construct(
+        private string $message,
+        private int $total,
+        private int $speed = 12,
+        private int $i = 0,
+    ) {}
+
+    public function tick()
+    {
+        $this->i += 1;
+        if ($this->i % $this->speed === 0 or $this->i === $this->total) {
+            printf(
+                "\33[2K\r% 7d/% 7d | %.2f GiB | {$this->message}",
+                $this->i,
+                $this->total,
+                memory_get_usage() / 1024 / 1024 / 1024
+            );
+        }
+    }
+}