diff --git a/packages/node_modules/@node-red/nodes/core/sequence/17-split.js b/packages/node_modules/@node-red/nodes/core/sequence/17-split.js
index e3e4377f5..d2b7fc226 100644
--- a/packages/node_modules/@node-red/nodes/core/sequence/17-split.js
+++ b/packages/node_modules/@node-red/nodes/core/sequence/17-split.js
@@ -631,6 +631,19 @@ module.exports = function(RED) {
                     }
                 }
 
+                if (msg.hasOwnProperty("resetTimeout")) {
+                    if (inflight[partId]) {
+                        if (inflight[partId].timeout) {
+                            clearTimeout(inflight[partId].timeout);
+                        }
+                        if (node.timer > 0) {
+                            inflight[partId].timeout = setTimeout(function() {
+                                completeSend(partId)
+                            }, node.timer)
+                        }
+                    }
+                }
+
                 if (msg.hasOwnProperty("reset")) {
                     if (inflight[partId]) {
                         if (inflight[partId].timeout) {
diff --git a/packages/node_modules/@node-red/nodes/locales/en-US/sequence/17-split.html b/packages/node_modules/@node-red/nodes/locales/en-US/sequence/17-split.html
index 3334ec126..51e8600db 100644
--- a/packages/node_modules/@node-red/nodes/locales/en-US/sequence/17-split.html
+++ b/packages/node_modules/@node-red/nodes/locales/en-US/sequence/17-split.html
@@ -118,6 +118,7 @@
     <p>A <i>timeout</i> can be set to trigger sending the new message using whatever has been received so far.</p>
     <p>If a message is received with the <code>msg.complete</code> property set, the output message is finalised and sent.
     This resets any part counts.</p>
+    <p>If a message is received with the <code>msg.resetTimeout</code> property set, the timer for the partly complete message is reset to the original time.
     <p>If a message is received with the <code>msg.reset</code> property set, the partly complete message is deleted and not sent.
     This resets any part counts.</p>