diff --git a/master.js b/master.js
index f801181a..d3eac31a 100644
--- a/master.js
+++ b/master.js
@@ -237,6 +237,7 @@ app.post("/api/place", function(req, res) {
 			recievedItemStatistics = new averagedTimeSeries({
 				maxEntries: config.itemStats.maxEntries,
 				entriesPerSecond: config.itemStats.entriesPerSecond,
+				mergeMode: "add",
 			}, console.log);
 			recievedItemStatisticsBySlaveID[x.instanceID] = recievedItemStatistics;
 		}
@@ -293,6 +294,7 @@ app.post("/api/remove", function(req, res) {
 				sentItemStatistics = new averagedTimeSeries({
 					maxEntries: config.itemStats.maxEntries,
 					entriesPerSecond: config.itemStats.entriesPerSecond,
+					mergeMode: "add",
 				}, console.log);
 			}
 			sentItemStatistics.add({
diff --git a/package-lock.json b/package-lock.json
index c8456888..cdb2b301 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -222,9 +222,9 @@
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
     "averaged-timeseries": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/averaged-timeseries/-/averaged-timeseries-1.3.0.tgz",
-      "integrity": "sha512-RBkKtsOrsv83zVPhr4qBkEIx8cuUKoxQUmsU7fXU0hRbWHr8iDxJRblfy/YsNRl14vxFTdux2kTXp7Fs2kMY1Q==",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/averaged-timeseries/-/averaged-timeseries-1.4.0.tgz",
+      "integrity": "sha512-1WrcZHh/f9g3z36Ckd83n5axXUScLwhfvWFdAiZK29YS48UzPhiYyPWLv0iJGYt9w0iJ0ubTTponL+fUebIkbQ==",
       "requires": {
         "assert": "1.4.1"
       }
diff --git a/package.json b/package.json
index cc0f5a2e..8c03b880 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "author": "Danielv123",
   "license": "ISC",
   "dependencies": {
-    "averaged-timeseries": "^1.3.0",
+    "averaged-timeseries": "^1.4.0",
     "body-parser": "^1.18.2",
     "canvasjs": "^1.8.1",
     "child_process": "^1.0.2",