diff --git a/examples/native_peer.cpp b/examples/native_peer.cpp
index 78ec8e3..03ec0b6 100644
--- a/examples/native_peer.cpp
+++ b/examples/native_peer.cpp
@@ -12,7 +12,7 @@ extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void*)
         Calculator(const Calculator&) = delete; // noncopyable
         ~Calculator() { std::cout << "Native peer finalized" << std::endl; }
 
-        jni::jlong Add(jni::JNIEnv&, jni::jlong a, jni::jlong b) { return a + b; }
+        jni::jlong Add(jni::JNIEnv&, jni::jlong a, jni::jlong b) const { return a + b; }
         jni::jlong Subtract(jni::JNIEnv&, jni::jlong a, jni::jlong b) { return a - b; }
        };
 
diff --git a/include/jni/native_method.hpp b/include/jni/native_method.hpp
index 192e301..dd06ac6 100644
--- a/include/jni/native_method.hpp
+++ b/include/jni/native_method.hpp
@@ -282,6 +282,31 @@ namespace jni
                }
        };
 
+    template < class R, class P, class... Args, R (P::*method)(JNIEnv&, Args...) const>
+    class NativePeerMemberFunctionMethod< R (P::*)(JNIEnv&, Args...) const, method>
+       {
+        private:
+            const char* name;
+
+        public:
+            NativePeerMemberFunctionMethod(const char* n)
+               : name(n)
+               {}
+
+            template < class Peer, class TagType, class = std::enable_if_t< std::is_same<P, Peer>::value > >
+            auto operator()(const Field<TagType, jlong>& field)
+               {
+                auto wrapper = [field] (JNIEnv& env, Object<TagType>& obj, Args... args)
+                   {
+                    auto ptr = reinterpret_cast<P*>(obj.Get(env, field));
+                    if (ptr) return (ptr->*method)(env, args...);
+                    ThrowNew(env, jni::FindClass(env, "java/lang/IllegalStateException"),
+                             "invalid native peer");
+                   };
+                return MakeNativeMethod(name, wrapper);
+               }
+       };
+
     template < class M, M method>
     auto MakeNativePeerMethod(const char* name,
                               std::enable_if_t< std::is_member_function_pointer<M>::value >* = nullptr)