diff --git a/examples/ids.Rmd b/examples/ids.Rmd
index 275fb0e..1d347b8 100644
--- a/examples/ids.Rmd
+++ b/examples/ids.Rmd
@@ -33,8 +33,8 @@
 library(RKorAPClient)
 library(highcharter)
 library(tidyverse)
-if (file.exists("/tmp/common.h")) {
-  source("/tmp/common.h")
+if (file.exists("/tmp/common.R")) {
+  source("/tmp/common.R")
 } else {
   source("https://gitlab.ids-mannheim.de/ICC/2023-07-20-ICC-ICLC10/-/raw/master/R/common.R")
 }
