diff --git a/phpBB/assets/javascript/core.js b/phpBB/assets/javascript/core.js
index 40da09377e..7a4aceee0b 100644
--- a/phpBB/assets/javascript/core.js
+++ b/phpBB/assets/javascript/core.js
@@ -317,6 +317,18 @@ phpbb.ajaxify = function(options) {
 						});
 					}
 				}, false);
+
+				// Add the click function to the code we just laoded.
+				// Should be removed and replace with a call to .on()
+				// when jQuery is updated to 1.7.x or higher
+				// $(document).on('click', '#delete_permanent', function () {});
+				$('#delete_permanent').click(function () {
+					if ($(this).attr('checked')) {
+						$('#delete_reason').hide();
+					} else {
+						$('#delete_reason').show();
+					}
+				});
 			}
 		}
 
diff --git a/phpBB/language/en/posting.php b/phpBB/language/en/posting.php
index 1ed312f68c..c1d8c71783 100644
--- a/phpBB/language/en/posting.php
+++ b/phpBB/language/en/posting.php
@@ -83,8 +83,8 @@ $lang = array_merge($lang, array(
 	'DELETE_POST_PERMANENTLY'	=> 'Permanently delete this post so it can not be recovered',
 	'DELETE_POSTS_CONFIRM'		=> 'Are you sure you want to delete these posts?',
 	'DELETE_POSTS_PERMANENTLY_CONFIRM'	=> 'Are you sure you want to <strong>permanently</strong> delete these posts?',
-	'DELETE_REASON'				=> 'Delete reason',
-	'DELETE_REASON_EXPLAIN'		=> 'The reason is only used when the post is not deleted permanently.',
+	'DELETE_REASON'				=> 'Soft delete reason',
+	'DELETE_REASON_EXPLAIN'		=> 'The reason is only shown to moderators when post is soft deleted.',
 	'DELETE_POST_WARN'			=> 'Deleted this post',
 	'DELETE_TOPIC_CONFIRM'		=> 'Are you sure you want to delete this topic?',
 	'DELETE_TOPIC_PERMANENTLY'	=> 'Permanently delete this topic so it can not be recovered',
diff --git a/phpBB/styles/prosilver/template/ajax.js b/phpBB/styles/prosilver/template/ajax.js
index 357e9a6fa3..5661a51bc9 100644
--- a/phpBB/styles/prosilver/template/ajax.js
+++ b/phpBB/styles/prosilver/template/ajax.js
@@ -230,6 +230,14 @@ $('#quick-mod-select').change(function () {
 	$('#quickmodform').submit();
 });
 
+$('#delete_permanent').click(function () {
+	if ($(this).attr('checked')) {
+		$('#delete_reason').hide();
+	} else {
+		$('#delete_reason').show();
+	}
+});
+
 /**
 * Toggle the member search panel in memberlist.php.
 *
diff --git a/phpBB/styles/prosilver/template/confirm_delete_body.html b/phpBB/styles/prosilver/template/confirm_delete_body.html
index 9f36d2d824..964c859634 100644
--- a/phpBB/styles/prosilver/template/confirm_delete_body.html
+++ b/phpBB/styles/prosilver/template/confirm_delete_body.html
@@ -11,9 +11,9 @@
 		<!-- ENDIF -->
 
 		<!-- IF S_DELETE_REASON -->
-			<label>
+			<label id="delete_reason">
 				<strong>{L_DELETE_REASON}:</strong><br /><span>{L_DELETE_REASON_EXPLAIN}</span><br />
-				<input type="text" name="delete_reason" id="delete_reason" value="" class="inputbox autowidth" maxlength="120" size="45" />
+				<input type="text" name="delete_reason" value="" class="inputbox autowidth" maxlength="120" size="45" />
 			</label>
 		<!-- ENDIF -->
 	<!-- ENDIF -->
@@ -50,9 +50,9 @@
 		<!-- ENDIF -->
 
 		<!-- IF S_DELETE_REASON -->
-			<dl>
+			<dl id="delete_reason">
 				<dt><label for="delete_reason">{L_DELETE_REASON}:</label><br /><span>{L_DELETE_REASON_EXPLAIN}</span></dt>
-				<dd><input type="text" name="delete_reason" id="delete_reason" value="" class="inputbox autowidth" maxlength="120" size="45" /></dd>
+				<dd><input type="text" name="delete_reason" value="" class="inputbox autowidth" maxlength="120" size="45" /></dd>
 			</dl>
 		<!-- ENDIF -->
 	</fieldset>