diff --git a/CMakeLists.txt b/CMakeLists.txt
index df48d2fa..fa5959ac 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1070,7 +1070,7 @@ if (COOLPROP_R_MODULE)
     install (TARGETS ${app_name} DESTINATION R/${CMAKE_SYSTEM_NAME}_${BITNESS}bit)
     
     enable_testing()
-    add_test(R_test ${R_EXEC} -f Example.R)
+    add_test(R_test Rscript --default-packages=methods -f Example.R)
                
 endif()