diff --git a/rpcs3/util/types.hpp b/rpcs3/util/types.hpp
index f2600fe465..d045c3dfba 100644
--- a/rpcs3/util/types.hpp
+++ b/rpcs3/util/types.hpp
@@ -799,13 +799,13 @@ struct const_str_t<umax>
 {
 	const usz size;
 
-	const union
+	union
 	{
 		const char8_t* chars;
 		const char* chars2;
 	};
 
-	const_str_t()
+	constexpr const_str_t()
 		: size(0)
 		, chars(nullptr)
 	{
@@ -825,7 +825,7 @@ struct const_str_t<umax>
 	{
 	}
 
-	operator const char*() const
+	constexpr operator const char*() const
 	{
 		return std::launder(chars2);
 	}