diff --git a/lib/components/prometheusmetrics.js b/lib/components/prometheusmetrics.js
index <HASH>..<HASH> 100644
--- a/lib/components/prometheusmetrics.js
+++ b/lib/components/prometheusmetrics.js
@@ -215,7 +215,7 @@ PrometheusMetrics.prototype._register_process_metrics = function() {
  */
 PrometheusMetrics.prototype.registerMatrixSdkMetrics = function() {
     var callCounts = this.addCounter({
-        name: "matrix_api_calls_total",
+        name: "matrix_api_calls",
         help: "Count of the number of Matrix client API calls made",
     });
'calls' is already a unit of measure; don't need to suffix with _total