diff --git a/files/inet_stat.sh b/files/inet_stat.sh
index aad6535..6acbb89 100755
--- a/files/inet_stat.sh
+++ b/files/inet_stat.sh
@@ -82,13 +82,16 @@ function ping_server()
     satistic="$(echo "${ping_output[1]}" | cut -d' ' -f4 | sed -E 's/\//,/g')"
 
     # Name or service not known
-    if [ "${#packet_loss}" -eq 0 ]; then 
-        packet_loss="-1"
+    if [ "${#packet_loss}" -eq 0 ]; then
+        # make this Error visually apparent in the plot
+        packet_loss="100%"
+        satistic="-100,-100,-100,-100"
     fi
 
     # 100% package loss
-    if [ "${#satistic}" -eq 0 ]; then 
-        satistic="-1,-1,-1,-1"
+    if [ "${#satistic}" -eq 0 ]; then
+    # don't need to plot this data as package loss is displayed
+        satistic="NaN,NaN,NaN,NaN"
     fi
 
     echo "$(date $DATE_FORMAT),$server,$packet_loss,$satistic"