diff --git a/src/json.hpp b/src/json.hpp
index 5dc8e67c..afa35baa 100644
--- a/src/json.hpp
+++ b/src/json.hpp
@@ -873,8 +873,17 @@ class basic_json
                     break;
                 }
 
+                case value_t::null:
+                {
+                    break;
+                }
+
                 default:
                 {
+                    if (t == value_t::null)
+                    {
+                        throw std::domain_error("961c151d2e87f2686a955a9be24d316f1362bf21"); // LCOV_EXCL_LINE
+                    }
                     break;
                 }
             }
diff --git a/src/json.hpp.re2c b/src/json.hpp.re2c
index 49bccb02..db0b4c88 100644
--- a/src/json.hpp.re2c
+++ b/src/json.hpp.re2c
@@ -873,8 +873,17 @@ class basic_json
                     break;
                 }
 
+                case value_t::null:
+                {
+                    break;
+                }
+
                 default:
                 {
+                    if (t == value_t::null)
+                    {
+                        throw std::domain_error("961c151d2e87f2686a955a9be24d316f1362bf21"); // LCOV_EXCL_LINE
+                    }
                     break;
                 }
             }
diff --git a/test/src/unit-allocator.cpp b/test/src/unit-allocator.cpp
index c439c1c3..04f6ac9d 100644
--- a/test/src/unit-allocator.cpp
+++ b/test/src/unit-allocator.cpp
@@ -141,7 +141,10 @@ TEST_CASE("controlled bad_alloc")
             {
                 next_construct_fails = false;
                 auto t = my_json::value_t::object;
-                auto clean_up = [](my_json::json_value& j){ my_allocator_clean_up(j.object); };
+                auto clean_up = [](my_json::json_value & j)
+                {
+                    my_allocator_clean_up(j.object);
+                };
                 CHECK_NOTHROW(my_json::json_value j(t); clean_up(j));
                 next_construct_fails = true;
                 CHECK_THROWS_AS(my_json::json_value j(t), std::bad_alloc);
@@ -151,7 +154,10 @@ TEST_CASE("controlled bad_alloc")
             {
                 next_construct_fails = false;
                 auto t = my_json::value_t::array;
-                auto clean_up = [](my_json::json_value& j){ my_allocator_clean_up(j.array); };
+                auto clean_up = [](my_json::json_value & j)
+                {
+                    my_allocator_clean_up(j.array);
+                };
                 CHECK_NOTHROW(my_json::json_value j(t); clean_up(j));
                 next_construct_fails = true;
                 CHECK_THROWS_AS(my_json::json_value j(t), std::bad_alloc);
@@ -161,7 +167,10 @@ TEST_CASE("controlled bad_alloc")
             {
                 next_construct_fails = false;
                 auto t = my_json::value_t::string;
-                auto clean_up = [](my_json::json_value& j){ my_allocator_clean_up(j.string); };
+                auto clean_up = [](my_json::json_value & j)
+                {
+                    my_allocator_clean_up(j.string);
+                };
                 CHECK_NOTHROW(my_json::json_value j(t); clean_up(j));
                 next_construct_fails = true;
                 CHECK_THROWS_AS(my_json::json_value j(t), std::bad_alloc);
@@ -173,7 +182,10 @@ TEST_CASE("controlled bad_alloc")
         {
             next_construct_fails = false;
             my_json::string_t v("foo");
-            auto clean_up = [](my_json::json_value& j){ my_allocator_clean_up(j.string); };
+            auto clean_up = [](my_json::json_value & j)
+            {
+                my_allocator_clean_up(j.string);
+            };
             CHECK_NOTHROW(my_json::json_value j(v); clean_up(j));
             next_construct_fails = true;
             CHECK_THROWS_AS(my_json::json_value j(v), std::bad_alloc);