diff --git a/samples/client/echo_api/r/build_and_test.bash b/samples/client/echo_api/r/build_and_test.bash
index 730dd53024a6..40888c9286e5 100644
--- a/samples/client/echo_api/r/build_and_test.bash
+++ b/samples/client/echo_api/r/build_and_test.bash
@@ -23,4 +23,4 @@ mkdir $R_LIBS_USER || true
 #
 R CMD build .
 R CMD check *tar.gz --no-manual
-R CMD install --preclean *tar.gz
+R CMD INSTALL --preclean *tar.gz