diff --git a/dist/tools/ci/print_toolchain_versions.sh b/dist/tools/ci/print_toolchain_versions.sh
index f42d4ab4be..73d253f3cc 100755
--- a/dist/tools/ci/print_toolchain_versions.sh
+++ b/dist/tools/ci/print_toolchain_versions.sh
@@ -110,7 +110,7 @@ avr_libc_version() {
 printf "\n"
 # print operating system information
 printf "%s\n" "Operating System Environment"
-printf "%s\n" "-----------------------------"
+printf "%s\n" "----------------------------"
 printf "%25s: %s\n" "Operating System" "$(get_os_info)"
 printf "%25s: %s\n" "Kernel" "$(get_kernel_info)"
 printf "%25s: %s\n" "System shell" "$(get_sys_shell)"