diff --git a/tests/run.sh b/tests/run.sh
index c96e3e3..9fa7aa0 100755
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -21,7 +21,7 @@ do
     # Ensure timeout
     if [ $? -eq 124 ]
     then
-        echo -e "${RED}${BOLD}failed${NC}"
+        printf "${RED}${BOLD}failed${NC}\n"
         echo "------------- Test timeout (should not exceed ${test_timeout}s) -------------"
         cat "$out";
         rm "$out"
@@ -31,9 +31,9 @@ do
     # Ensure test output
     if [ "$(base64 $out)" = "$(base64 ./out)" ]
     then
-        echo -e "${GREEN}${BOLD}passed${NC}"
+        printf "${GREEN}${BOLD}passed${NC}\n"
     else
-        echo -e "${RED}${BOLD}failed${NC}"
+        printf "${RED}${BOLD}failed${NC}\n"
         echo "------------- Expected -------------"
         cat out
         echo "------------- Got -------------"