diff --git a/install/data/defaults.json b/install/data/defaults.json
index 194283b400..a6f53f49c0 100644
--- a/install/data/defaults.json
+++ b/install/data/defaults.json
@@ -126,6 +126,7 @@
     "eventLoopInterval": 500,
     "onlineCutoff": 30,
     "timeagoCutoff": 30,
+    "necroThreshold": 7,
     "categoryWatchState": "watching",
     "submitPluginUsage": 1
 }
\ No newline at end of file
diff --git a/public/language/en-GB/admin/settings/post.json b/public/language/en-GB/admin/settings/post.json
index 096b69026f..da708f4c6c 100644
--- a/public/language/en-GB/admin/settings/post.json
+++ b/public/language/en-GB/admin/settings/post.json
@@ -32,6 +32,8 @@
 	"timestamp": "Timestamp",
 	"timestamp.cut-off": "Date cut-off (in days)",
 	"timestamp.cut-off-help": "Dates &amp; times will be shown in a relative manner (e.g. \"3 hours ago\" / \"5 days ago\"), and localised into various\n\t\t\t\t\tlanguages. After a certain point, this text can be switched to display the localised date itself\n\t\t\t\t\t(e.g. 5 Nov 2016 15:30).<br /><em>(Default: <code>30</code>, or one month). Set to 0 to always display dates, leave blank to always display relative times.</em>",
+	"timestamp.necro-threshold": "Necro Threshold (in days)",
+	"timestamp.necro-threshold-help": "A message will be shown between posts if the time between them is longer than the necro threshold. (Default: <code>7</code>, or one week). Set to 0 to disable.</em>",
 	"teaser": "Teaser Post",
 	"teaser.last-post": "Last &ndash; Show the latest post, including the original post, if no replies",
 	"teaser.last-reply": "Last &ndash; Show the latest reply, or a \"No replies\" placeholder if no replies",
diff --git a/public/src/client/topic/posts.js b/public/src/client/topic/posts.js
index 61b000d8ac..6bcc05ddc2 100644
--- a/public/src/client/topic/posts.js
+++ b/public/src/client/topic/posts.js
@@ -261,8 +261,8 @@ define('forum/topic/posts', [
 	};
 
 	function addNecroPostMessage() {
-		var necroThreshold = 7 * 24 * 60 * 60 * 1000;
-		if (config.topicPostSort !== 'newest_to_oldest' && config.topicPostSort !== 'oldest_to_newest') {
+		var necroThreshold = ajaxify.data.necroThreshold * 24 * 60 * 60 * 1000;
+		if (!necroThreshold || (config.topicPostSort !== 'newest_to_oldest' && config.topicPostSort !== 'oldest_to_newest')) {
 			return;
 		}
 
diff --git a/src/controllers/topics.js b/src/controllers/topics.js
index 5ac12e629d..a42747c0d4 100644
--- a/src/controllers/topics.js
+++ b/src/controllers/topics.js
@@ -81,6 +81,7 @@ topicsController.get = async function getTopic(req, res, callback) {
 	topicData['downvote:disabled'] = meta.config['downvote:disabled'];
 	topicData['feeds:disableRSS'] = meta.config['feeds:disableRSS'];
 	topicData.bookmarkThreshold = meta.config.bookmarkThreshold;
+	topicData.necroThreshold = meta.config.necroThreshold;
 	topicData.postEditDuration = meta.config.postEditDuration;
 	topicData.postDeleteDuration = meta.config.postDeleteDuration;
 	topicData.scrollToMyPost = settings.scrollToMyPost;
diff --git a/src/views/admin/settings/post.tpl b/src/views/admin/settings/post.tpl
index 4a1657b096..5ee1dbdc6c 100644
--- a/src/views/admin/settings/post.tpl
+++ b/src/views/admin/settings/post.tpl
@@ -163,6 +163,13 @@
 					[[admin/settings/post:timestamp.cut-off-help]]
 				</p>
 			</div>
+			<div class="form-group">
+				<label for="necroThreshold">[[admin/settings/post:timestamp.necro-threshold]]</label>
+				<input type="number" class="form-control" id="necroThreshold" data-field="necroThreshold"  />
+				<p class="help-block">
+					[[admin/settings/post:timestamp.necro-threshold-help]]
+				</p>
+			</div>
 		</form>
 	</div>
 </div>