diff --git a/resource/dev_test.sh b/resource/dev_test.sh
index 90f569a..151dc16 100644
--- a/resource/dev_test.sh
+++ b/resource/dev_test.sh
@@ -24,9 +24,9 @@ runTest() {
 
 function exit_with_code() {
     if [ $EXIT_CODE -ne 0 ]; then
-        echo -e "\e[0;31m❌ Test failed\e[0m"
+        printf "\e[0;31m❌ Test failed\e[0m\n"
     else
-        echo -e "\e[0;32m✅ All tests passed\e[0m"
+        printf "\e[0;32m✅ All tests passed\e[0m\n"
     fi
 
     exit $EXIT_CODE