diff --git a/public/js/RollbarWordpressSettings.js b/public/js/RollbarWordpressSettings.js
index 37d2972e..cbdd6ab2 100644
--- a/public/js/RollbarWordpressSettings.js
+++ b/public/js/RollbarWordpressSettings.js
@@ -97,7 +97,7 @@
                 },
                 logThroughPhp = function(config) {
                     jQuery.post(
-                        "/index.php?rest_route=/rollbar/v1/test-php-logging",
+                        RollbarWordpress.rest_root + "/test-php-logging",
                         config,
                         function(response) {
                             
diff --git a/src/Settings.php b/src/Settings.php
index ce0336c5..c59da807 100644
--- a/src/Settings.php
+++ b/src/Settings.php
@@ -49,6 +49,7 @@ public static function init() {
                 'RollbarWordpress', 
                 array(
                     'plugin_url' => \plugin_dir_url(__FILE__) . "../",
+                    'rest_root'  => esc_url_raw( rest_url( 'rollbar/v1' ) ),
                 )
             );