diff --git a/.changelog/4064.txt b/.changelog/4064.txt
new file mode 100644
index 00000000000..31934a67ead
--- /dev/null
+++ b/.changelog/4064.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+monitoring: fixed bug where deleting a `google_monitoring_dashboard` would give an "unsupported protocol scheme" error
+```
diff --git a/google/resource_monitoring_dashboard.go b/google/resource_monitoring_dashboard.go
index ef5b72ad972..b9eceaa4cc9 100644
--- a/google/resource_monitoring_dashboard.go
+++ b/google/resource_monitoring_dashboard.go
@@ -187,7 +187,7 @@ func resourceMonitoringDashboardDelete(d *schema.ResourceData, meta interface{})
 		return err
 	}
 
-	_, err = sendRequestWithTimeout(config, "DELETE", project, userAgent, url, nil, d.Timeout(schema.TimeoutDelete), isMonitoringConcurrentEditError)
+	_, err = sendRequestWithTimeout(config, "DELETE", project, url, userAgent, nil, d.Timeout(schema.TimeoutDelete), isMonitoringConcurrentEditError)
 	if err != nil {
 		return handleNotFoundError(err, d, fmt.Sprintf("MonitoringDashboard %q", d.Id()))
 	}