diff --git a/include/stdexec/stop_token.hpp b/include/stdexec/stop_token.hpp
index def63b446..c4ecc5aab 100644
--- a/include/stdexec/stop_token.hpp
+++ b/include/stdexec/stop_token.hpp
@@ -232,6 +232,8 @@ STDEXEC_P2300_NAMESPACE_BEGIN()
   class inplace_stop_callback : STDEXEC::__stok::__inplace_stop_callback_base
   {
    public:
+    using callback_type = _Fun;
+
     template <class _Fun2>
       requires STDEXEC::__std::constructible_from<_Fun, _Fun2>
     explicit inplace_stop_callback(inplace_stop_token __token, _Fun2&& __fun)
diff --git a/test/stdexec/concepts/test_concepts_stop_tokens.cpp b/test/stdexec/concepts/test_concepts_stop_tokens.cpp
index 203b6a7bc..1c14ad82d 100644
--- a/test/stdexec/concepts/test_concepts_stop_tokens.cpp
+++ b/test/stdexec/concepts/test_concepts_stop_tokens.cpp
@@ -33,6 +33,12 @@ namespace
     void operator()() && noexcept {}
   };
 
+  TEST_CASE("inplace_stop_callback exposes its callback type", "[stop_token]")
+  {
+    STATIC_REQUIRE(std::is_same_v<::STDEXEC::inplace_stop_callback<on_stop_request>::callback_type,
+                                  on_stop_request>);
+  }
+
   TEST_CASE("(un)stoppable_token correctly categorizes various standard stop token types",
             "[concepts]")
   {