diff --git a/lib/utils/mu-utils.cc b/lib/utils/mu-utils.cc
index f08e6ea0..bb7ae270 100644
--- a/lib/utils/mu-utils.cc
+++ b/lib/utils/mu-utils.cc
@@ -675,8 +675,6 @@ Mu::summarize(const std::string& str, size_t max_lines)
 }
 
 
-
-
 static bool
 locale_is_utf8 (void)
 {
diff --git a/lib/utils/mu-utils.hh b/lib/utils/mu-utils.hh
index 3b6f45ab..3e8d3dcc 100644
--- a/lib/utils/mu-utils.hh
+++ b/lib/utils/mu-utils.hh
@@ -665,14 +665,13 @@ private:
 	const bool color_;
 };
 
-#define MU_COLOR_RED		"\x1b[31m"
-#define MU_COLOR_GREEN		"\x1b[32m"
-#define MU_COLOR_YELLOW		"\x1b[33m"
-#define MU_COLOR_BLUE		"\x1b[34m"
-#define MU_COLOR_MAGENTA	"\x1b[35m"
-#define MU_COLOR_CYAN		"\x1b[36m"
-#define MU_COLOR_DEFAULT	"\x1b[0m"
-
+constexpr auto	MU_COLOR_RED	 = "\x1b[31m";
+constexpr auto	MU_COLOR_GREEN	 = "\x1b[32m";
+constexpr auto	MU_COLOR_YELLOW	 = "\x1b[33m";
+constexpr auto	MU_COLOR_BLUE	 = "\x1b[34m";
+constexpr auto	MU_COLOR_MAGENTA = "\x1b[35m";
+constexpr auto	MU_COLOR_CYAN	 = "\x1b[36m";
+constexpr auto	MU_COLOR_DEFAULT = "\x1b[0m";
 
 template<class Enum> // like C++23 std::to_underlying
 constexpr std::underlying_type_t<Enum> to_ut( Enum e ) noexcept {