diff --git a/src/library/Command/AbstractCommand.php b/src/library/Command/AbstractCommand.php
index 23aeac4..7273d4a 100644
--- a/src/library/Command/AbstractCommand.php
+++ b/src/library/Command/AbstractCommand.php
@@ -32,6 +32,7 @@
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
+use Throwable;
 use Twig\Environment as Twig_Environment;
 use Twig\Error\LoaderError;
 use Twig\Error\SyntaxError;
@@ -218,7 +219,6 @@ public function __construct(string $name = null)
         $this->metaHandler = new BinaryWrapper($this->ffmpeg, $this->mp4v2, $fdkaac, $this->tone);
 
 
-
         // todo: merge these two classes?
         $this->chapterHandler = new ChapterHandler($this->metaHandler);
 
@@ -366,7 +366,6 @@ protected function initExecution(InputInterface $input, OutputInterface $output)
         }
 
 
-
         $platformCharset = strtolower($this->input->getOption(static::OPTION_PLATFORM_CHARSET));
         if ($platformCharset === "" && $this->isWindows()) {
             $platformCharset = AbstractMp4v2Executable::CHARSET_WIN_1252;
@@ -408,13 +407,13 @@ protected function loadArguments()
 
     private function loadImprovers($getOption)
     {
-        if($getOption == null || !is_string($getOption))    {
+        if ($getOption == null || !is_string($getOption)) {
             return [];
         }
 
-        return array_filter(array_map(function($element)  {
+        return array_filter(array_map(function ($element) {
             return strtolower(trim($element));
-        }, explode(",", $getOption)), function($element) {
+        }, explode(",", $getOption)), function ($element) {
             return $element !== "";
         });
 
@@ -527,7 +526,7 @@ protected function dumpTagAsLines(Tag $tag)
      * @throws LoaderError
      * @throws SyntaxError
      */
-    protected function buildFileName(string $template, string $extension, array $templateParameters=[])
+    protected function buildFileName(string $template, string $extension, array $templateParameters = [])
     {
         $env = new Twig_Environment(new Twig_Loader_Array([]));
         $template = $env->createTemplate($template);
@@ -554,11 +553,33 @@ protected static function normalizeDirectory($directory, $suffix = "/")
         return $normalized;
     }
 
-    public static function replaceDirReservedChars($name) {
-        if(!is_string($name))  {
+    public static function replaceDirReservedChars($name)
+    {
+        if (!is_string($name)) {
             return $name;
         }
         return strtr($name, static::DIRECTORY_SPECIAL_CHAR_REPLACEMENTS);
+
+
+    }
+
+    protected static function parseMinChapterLength(string $optMinChapterLength)
+    {
+        $parts = explode("[", $optMinChapterLength);
+        $optMinChapterLength = isset($parts[0]) ? (float)$parts[0] : 2;
+        $optKeepIndexes = null;
+        if (isset($parts[1])) {
+            try {
+                $keepIndexes = json_decode("[" . $parts[1]);
+                if (is_array($keepIndexes)) {
+                    $optKeepIndexes = $keepIndexes;
+                }
+            } catch (Throwable $t) {
+                // ignore
+            }
+        }
+
+        return [$optMinChapterLength, $optKeepIndexes];
     }
 
 }
diff --git a/src/library/Command/ChaptersCommand.php b/src/library/Command/ChaptersCommand.php
index 0986180..f2dbf51 100644
--- a/src/library/Command/ChaptersCommand.php
+++ b/src/library/Command/ChaptersCommand.php
@@ -10,6 +10,7 @@
 use M4bTool\Audio\Silence;
 use M4bTool\Audio\Tag;
 use M4bTool\Audio\Tag\AdjustTooLongChapters;
+use M4bTool\Audio\Tag\AdjustTooShortChapters;
 use M4bTool\Audio\Tag\ChaptersFromEpub;
 use M4bTool\Audio\Tag\TagImproverComposite;
 use M4bTool\Chapter\ChapterHandler;
@@ -325,14 +326,24 @@ function () {
             $this->input->getOption(static::OPTION_MAX_CHAPTER_LENGTH),
             new TimeUnit((int)$this->input->getOption(static::OPTION_SILENCE_MIN_LENGTH))
         );
+
+        $optMinChapterLength = trim($this->input->getOption(static::OPTION_MIN_CHAPTER_LENGTH));
+        [$optMinChapterLength, $optKeepIndexes] = static::parseMinChapterLength($optMinChapterLength);
+        $tooShort = new AdjustTooShortChapters(new TimeUnit($optMinChapterLength, TimeUnit::SECOND), $optKeepIndexes);
+
         try {
             $tooLongAdjustment->setLogger($this);
             $tooLongAdjustment->improve($tag);
+
+            $tooShort->setLogger($this);
+            $tooShort->improve($tag);
         } catch (InvalidArgumentException | Exception $e) {
             // ignore
         }
 
 
+
+
         $this->metaHandler->writeTag($this->filesToProcess, $tag);
 
         $this->notice(sprintf("wrote chapters to %s", $this->filesToProcess));
diff --git a/src/library/Command/MergeCommand.php b/src/library/Command/MergeCommand.php
index 9916096..43346cc 100644
--- a/src/library/Command/MergeCommand.php
+++ b/src/library/Command/MergeCommand.php
@@ -905,22 +905,9 @@ private function tagMergedFile(SplFileInfo $outputTmpFile)
                 $tagImprover->add(new Tag\AdjustTooLongChapters($this->metaHandler, $this->chapterHandler, $outputTmpFile, $maxChapterLength, $silenceLength));
                 break;
         }
-        $optMinChapterLength = trim($this->input->getOption(static::OPTION_MIN_CHAPTER_LENGTH));
-
-        $parts = explode("[", $optMinChapterLength);
-        $optMinChapterLength = isset($parts[0]) ? (float)$parts[0] : 2;
-        $optKeepIndexes = null;
-        if(isset($parts[1])) {
-            try {
-                $keepIndexes = json_decode("[".$parts[1]);
-                if (is_array($keepIndexes)) {
-                    $optKeepIndexes = $keepIndexes;
-                }
-            } catch(Throwable $t) {
-                // ignore
-            }
-        }
 
+        $optMinChapterLength = trim($this->input->getOption(static::OPTION_MIN_CHAPTER_LENGTH));
+        [$optMinChapterLength, $optKeepIndexes] = static::parseMinChapterLength($optMinChapterLength);
         $tagImprover->add(new Tag\AdjustTooShortChapters(new TimeUnit($optMinChapterLength, TimeUnit::SECOND), $optKeepIndexes));