diff --git a/exporter.go b/exporter.go
index 819f8c7..ae6b5ab 100644
--- a/exporter.go
+++ b/exporter.go
@@ -37,12 +37,19 @@ var (
 		[]string{"target"},
 	)
 	pingRTT = prometheus.NewGaugeVec(
-		prometheus.GaugeOpts{
-			Name: "ping_rtt_seconds",
-			Help: "Last ping round trip time in seconds",
-		},
-		[]string{"target"},
-	)
+        prometheus.GaugeOpts{
+            Name: "ping_rtt_seconds",
+            Help: "Last ping round trip time in seconds",
+        },
+        []string{"target"},
+    )
+    pingRTTMs = prometheus.NewGaugeVec(
+        prometheus.GaugeOpts{
+            Name: "ping_rtt_milliseconds",
+            Help: "Last ping round trip time in milliseconds",
+        },
+        []string{"target"},
+    )
 	pingRTTAvg = prometheus.NewGaugeVec(
 		prometheus.GaugeOpts{
 			Name: "ping_rtt_seconds_avg",