diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index a9c347e4..15ece00e 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1401,6 +1401,7 @@ R:
   primary_extension: .r
   extensions:
   - .R
+  - .rsx
   filenames:
   - .Rprofile
   interpreters:
diff --git a/samples/R/R-qgis-extension.rsx b/samples/R/R-qgis-extension.rsx
new file mode 100644
index 00000000..adf59e67
--- /dev/null
+++ b/samples/R/R-qgis-extension.rsx
@@ -0,0 +1,5 @@
+##polyg=vector
+##numpoints=number 10
+##output=output vector
+##[Example scripts]=group
+pts=spsample(polyg,numpoints,type="regular")