diff --git a/lib/Alchemy/Phrasea/Media/Subdef/Image.php b/lib/Alchemy/Phrasea/Media/Subdef/Image.php
index 46d5903417..144c3033a8 100644
--- a/lib/Alchemy/Phrasea/Media/Subdef/Image.php
+++ b/lib/Alchemy/Phrasea/Media/Subdef/Image.php
@@ -33,8 +33,8 @@ public function __construct(TranslatorInterface $translator)
     {
         $this->translator = $translator;
 
-        $this->registerOption(new OptionType\Range($this->translator->trans('Dimension'), self::OPTION_SIZE, 20, 3000, 800));
-        $this->registerOption(new OptionType\Range($this->translator->trans('Resolution'), self::OPTION_RESOLUTION, 50, 300, 72));
+        $this->registerOption(new OptionType\Range($this->translator->trans('Dimension'), self::OPTION_SIZE, 20, 5000, 800));
+        $this->registerOption(new OptionType\Range($this->translator->trans('Resolution'), self::OPTION_RESOLUTION, 50, 1000, 72));
         $this->registerOption(new OptionType\Boolean($this->translator->trans('Remove ICC Profile'), self::OPTION_STRIP, false));
         $this->registerOption(new OptionType\Boolean($this->translator->trans('Flatten layers'), self::OPTION_FLATTEN, false));
         $this->registerOption(new OptionType\Range($this->translator->trans('Quality'), self::OPTION_QUALITY, 0, 100, 75));