diff --git a/run b/run
index 6228acd..047494d 100755
--- a/run
+++ b/run
@@ -3,11 +3,11 @@
 set -e
 set -u
 
-RED="$(tput setaf 1)"
-GREEN="$(tput setaf 2)"
-YELLOW="$(tput setaf 3)"
-BLUE="$(tput setaf 4)"
-RESET="$(tput sgr0)"
+RED="$(printf "\033[31m")"      # "$(tput setaf 1)"
+GREEN="$(printf "\033[32m")"    # "$(tput setaf 2)"
+YELLOW="$(printf "\033[33m")"   # "$(tput setaf 3)"
+BLUE="$(printf "\033[34m")"     # "$(tput setaf 4)"
+RESET="$(printf "\033[0m")"     # "$(tput sgr0)"
 
 usage() {
     echo "usage: $(basename "$0") [-v] <target> [<target>...]"