diff --git a/files/squid/helpers/rules.d/rstudio.rules b/files/squid/helpers/rules.d/rstudio.rules
index fd05b07317b794fe7d51b14fd19a0edf56b3e44e..7b9d48046b9d8e162cc3e6cb16eb79499e792c3b 100644
--- a/files/squid/helpers/rules.d/rstudio.rules
+++ b/files/squid/helpers/rules.d/rstudio.rules
@@ -26,6 +26,8 @@
 ^https?://shiny\.rstudio\.com/reference/shiny/.*        true
 ^https?://www\.jasondavies\.com/wordtree/.*             true
 ^https?://www\.ida\.liu\.se/~732A98/.*			true
+^https?://www\.gpsvisualizer\.com/atlas\.html          false
+^https?://www\.gpsvisualizer\.com/.*                    true
 
 // For plot.ly
 ^https?://ajax\.googleapis\.com/ajax/libs/.*\.js         true