diff --git a/headers/meta.hpp/meta_states/function.hpp b/headers/meta.hpp/meta_states/function.hpp
index a6cc5ce..bb35a8d 100644
--- a/headers/meta.hpp/meta_states/function.hpp
+++ b/headers/meta.hpp/meta_states/function.hpp
@@ -44,7 +44,11 @@ namespace meta_hpp::detail
                 throw_exception_with("an attempt to call a function with incorrect argument types");
             }
 
-            if constexpr ( as_void ) {
+            if constexpr ( std::is_void_v<return_type> ) {
+                function(
+                    args[Is].cast<type_list_at_t<Is, argument_types>>()...);
+                return uvalue{};
+            } else if constexpr ( stdex::same_as<Policy, function_policy::discard_return> ) {
                 std::ignore = function(
                     args[Is].cast<type_list_at_t<Is, argument_types>>()...);
                 return uvalue{};
diff --git a/headers/meta.hpp/meta_states/method.hpp b/headers/meta.hpp/meta_states/method.hpp
index f0984ca..c778210 100644
--- a/headers/meta.hpp/meta_states/method.hpp
+++ b/headers/meta.hpp/meta_states/method.hpp
@@ -50,9 +50,12 @@ namespace meta_hpp::detail
                 throw_exception_with("an attempt to call a method with incorrect argument types");
             }
 
-            if constexpr ( as_void ) {
+            if constexpr ( std::is_void_v<return_type> ) {
+                (inst.cast<qualified_type>().*method)(
+                    args[Is].cast<type_list_at_t<Is, argument_types>>()...);
+                return uvalue{};
+            } else if constexpr ( stdex::same_as<Policy, method_policy::discard_return> ) {
                 std::ignore = (inst.cast<qualified_type>().*method)(
-                    inst.cast<qualified_type>(),
                     args[Is].cast<type_list_at_t<Is, argument_types>>()...);
                 return uvalue{};
             } else {
diff --git a/singles/headers/meta.hpp/meta_all.hpp b/singles/headers/meta.hpp/meta_all.hpp
index 0775287..921c424 100644
--- a/singles/headers/meta.hpp/meta_all.hpp
+++ b/singles/headers/meta.hpp/meta_all.hpp
@@ -5624,7 +5624,11 @@ namespace meta_hpp::detail
                 throw_exception_with("an attempt to call a function with incorrect argument types");
             }
 
-            if constexpr ( as_void ) {
+            if constexpr ( std::is_void_v<return_type> ) {
+                function(
+                    args[Is].cast<type_list_at_t<Is, argument_types>>()...);
+                return uvalue{};
+            } else if constexpr ( stdex::same_as<Policy, function_policy::discard_return> ) {
                 std::ignore = function(
                     args[Is].cast<type_list_at_t<Is, argument_types>>()...);
                 return uvalue{};
@@ -6364,9 +6368,12 @@ namespace meta_hpp::detail
                 throw_exception_with("an attempt to call a method with incorrect argument types");
             }
 
-            if constexpr ( as_void ) {
+            if constexpr ( std::is_void_v<return_type> ) {
+                (inst.cast<qualified_type>().*method)(
+                    args[Is].cast<type_list_at_t<Is, argument_types>>()...);
+                return uvalue{};
+            } else if constexpr ( stdex::same_as<Policy, method_policy::discard_return> ) {
                 std::ignore = (inst.cast<qualified_type>().*method)(
-                    inst.cast<qualified_type>(),
                     args[Is].cast<type_list_at_t<Is, argument_types>>()...);
                 return uvalue{};
             } else {
diff --git a/untests/meta_issues/github_issue_15.cpp b/untests/meta_issues/github_issue_15.cpp
new file mode 100644
index 0000000..ae1f032
--- /dev/null
+++ b/untests/meta_issues/github_issue_15.cpp
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * This file is part of the "https://github.com/blackmatov/meta.hpp"
+ * For conditions of distribution and use, see copyright notice in LICENSE.md
+ * Copyright (C) 2021-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ ******************************************************************************/
+
+#include "../meta_untests.hpp"
+
+namespace
+{
+    class rect {
+    public:
+        void get_width(int* v) {
+            *v = 42;
+        }
+
+        static void get_width_static(int* v) {
+            *v = 84;
+        }
+    };
+}
+
+TEST_CASE("meta/meta_issues/15") {
+    namespace meta = meta_hpp;
+
+    meta::class_<rect>()
+        .method_("get_width", &rect::get_width)
+        .function_("get_width_static", &rect::get_width_static);
+    
+    int v{};
+    rect r{};
+
+    meta::resolve_type(r).get_method("get_width").invoke(r, &v);
+    CHECK(v == 42);
+
+    meta::resolve_type(r).get_function("get_width_static").invoke(&v);
+    CHECK(v == 84);
+}