diff --git a/wp-admin/options-media.php b/wp-admin/options-media.php
index 4f3193bf6c..89d3d94815 100644
--- a/wp-admin/options-media.php
+++ b/wp-admin/options-media.php
@@ -60,9 +60,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Thumbnail size') ?></th>
 <td>
 <label for="thumbnail_size_w"><?php _e('Width'); ?></label>
-<input name="thumbnail_size_w" type="number" step="1" min="1" id="thumbnail_size_w" value="<?php form_option('thumbnail_size_w'); ?>" class="small-text" />
+<input name="thumbnail_size_w" type="number" step="1" min="0" id="thumbnail_size_w" value="<?php form_option('thumbnail_size_w'); ?>" class="small-text" />
 <label for="thumbnail_size_h"><?php _e('Height'); ?></label>
-<input name="thumbnail_size_h" type="number" step="1" min="1" id="thumbnail_size_h" value="<?php form_option('thumbnail_size_h'); ?>" class="small-text" /><br />
+<input name="thumbnail_size_h" type="number" step="1" min="0" id="thumbnail_size_h" value="<?php form_option('thumbnail_size_h'); ?>" class="small-text" /><br />
 <input name="thumbnail_crop" type="checkbox" id="thumbnail_crop" value="1" <?php checked('1', get_option('thumbnail_crop')); ?>/>
 <label for="thumbnail_crop"><?php _e('Crop thumbnail to exact dimensions (normally thumbnails are proportional)'); ?></label>
 </td>
@@ -72,9 +72,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Medium size') ?></th>
 <td><fieldset><legend class="screen-reader-text"><span><?php _e('Medium size'); ?></span></legend>
 <label for="medium_size_w"><?php _e('Max Width'); ?></label>
-<input name="medium_size_w" type="number" step="1" min="1" id="medium_size_w" value="<?php form_option('medium_size_w'); ?>" class="small-text" />
+<input name="medium_size_w" type="number" step="1" min="0" id="medium_size_w" value="<?php form_option('medium_size_w'); ?>" class="small-text" />
 <label for="medium_size_h"><?php _e('Max Height'); ?></label>
-<input name="medium_size_h" type="number" step="1" min="1" id="medium_size_h" value="<?php form_option('medium_size_h'); ?>" class="small-text" />
+<input name="medium_size_h" type="number" step="1" min="0" id="medium_size_h" value="<?php form_option('medium_size_h'); ?>" class="small-text" />
 </fieldset></td>
 </tr>
 
@@ -82,9 +82,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Large size') ?></th>
 <td><fieldset><legend class="screen-reader-text"><span><?php _e('Large size'); ?></span></legend>
 <label for="large_size_w"><?php _e('Max Width'); ?></label>
-<input name="large_size_w" type="number" step="1" min="1" id="large_size_w" value="<?php form_option('large_size_w'); ?>" class="small-text" />
+<input name="large_size_w" type="number" step="1" min="0" id="large_size_w" value="<?php form_option('large_size_w'); ?>" class="small-text" />
 <label for="large_size_h"><?php _e('Max Height'); ?></label>
-<input name="large_size_h" type="number" step="1" min="1" id="large_size_h" value="<?php form_option('large_size_h'); ?>" class="small-text" />
+<input name="large_size_h" type="number" step="1" min="0" id="large_size_h" value="<?php form_option('large_size_h'); ?>" class="small-text" />
 </fieldset></td>
 </tr>
 
@@ -106,9 +106,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Maximum embed size') ?></th>
 <td>
 <label for="embed_size_w"><?php _e('Width'); ?></label>
-<input name="embed_size_w" type="number" step="1" min="1" id="embed_size_w" value="<?php form_option('embed_size_w'); ?>" class="small-text" />
+<input name="embed_size_w" type="number" step="1" min="0" id="embed_size_w" value="<?php form_option('embed_size_w'); ?>" class="small-text" />
 <label for="embed_size_h"><?php _e('Height'); ?></label>
-<input name="embed_size_h" type="number" step="1" min="1" id="embed_size_h" value="<?php form_option('embed_size_h'); ?>" class="small-text" />
+<input name="embed_size_h" type="number" step="1" min="0" id="embed_size_h" value="<?php form_option('embed_size_h'); ?>" class="small-text" />
 <?php if ( !empty($content_width) ) echo '<br />' . __("If the width value is left blank, embeds will default to the max width of your theme."); ?>
 </td>
 </tr>