diff --git a/src/platform/exception_type.hpp b/src/platform/exception_type.hpp
index 6d87545..25d44b6 100644
--- a/src/platform/exception_type.hpp
+++ b/src/platform/exception_type.hpp
@@ -14,7 +14,7 @@ namespace cpptrace {
 namespace detail {
     inline std::string exception_type_name() {
         #if CPPTRACE_HAS_CXX_EXCEPTION_TYPE && defined(__GLIBCXX__) || defined(__GLIBCPP__) || defined(_LIBCPP_VERSION)
-        std::type_info* t = abi::__cxa_current_exception_type();
+        const std::type_info* t = abi::__cxa_current_exception_type();
         return t ? detail::demangle(t->name()) : "<unknown>";
         #else
         return "<unknown>";