diff --git a/tests/test-all.R b/tests/test-all.R
index 3a11c34..0929e20 100644
--- a/tests/test-all.R
+++ b/tests/test-all.R
@@ -1,3 +1,3 @@
 library(testthat)
-## Sys.setenv(NOT_CRAN = "true")
+Sys.setenv(NOT_CRAN = "true")
 test_check("RefManageR")