diff --git a/common/include/palette.h b/common/include/palette.h
index 78fd059d6..4c403e508 100644
--- a/common/include/palette.h
+++ b/common/include/palette.h
@@ -38,12 +38,12 @@ COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 
 struct rgb_t {
 	ubyte r,g,b;
+	[[nodiscard]]
+	constexpr bool operator==(const rgb_t &) const = default;
 };
 
 typedef uint8_t color_t;
 
-static inline bool operator==(const rgb_t &a, const rgb_t &b) { return a.r == b.r && a.g == b.g && a.b == b.b; }
-
 namespace dcx {
 
 struct palette_array_t : public std::array<rgb_t, 256> {};