diff --git a/tests/examples/runner.sh b/tests/examples/runner.sh
index 3084e934b..a20ed93ea 100755
--- a/tests/examples/runner.sh
+++ b/tests/examples/runner.sh
@@ -45,7 +45,7 @@ then
 fi
 
 # Check if we got the output we wanted
-if ! cmp --silent "${file_stdout}" "${expected_output}"
+if ! cmp -s "${file_stdout}" "${expected_output}"
 then
     echo "Expected text from ${expected_output}, but got:"
     diff -u "${expected_output}" "${file_stdout}" || true