diff --git a/apps/openmw/mwworld/esmstore.cpp b/apps/openmw/mwworld/esmstore.cpp
index 29d014afd1..6f39a3e602 100644
--- a/apps/openmw/mwworld/esmstore.cpp
+++ b/apps/openmw/mwworld/esmstore.cpp
@@ -196,28 +196,6 @@ namespace MWWorld
         {
         };
 
-        struct RecNameIntChar
-        {
-            char name[6];
-            RecNameIntChar(ESM::RecNameInts recName)
-            {
-                unsigned int FourCC = recName & ~ESM::sEsm4RecnameFlag; // Removes the flag
-                name[0] = FourCC & 0xFF;
-                name[1] = (FourCC >> 8) & 0xFF;
-                name[2] = (FourCC >> 16) & 0xFF;
-                name[3] = (FourCC >> 24) & 0xFF;
-                if (ESM::isESM4Rec(recName))
-                {
-                    name[4] = '4';
-                    name[5] = '\0';
-                }
-                else
-                {
-                    name[4] = '\0';
-                }
-            }
-        };
-
         template <typename T>
         static bool typedReadRecordESM4(ESM4::Reader& reader, Store<T>& store)
         {
@@ -241,39 +219,6 @@ namespace MWWorld
             return false;
         }
 
-        template <typename T>
-        static unsigned int hasSameRecordId(const Store<T>& store, ESM::RecNameInts RecName)
-        {
-            if constexpr (HasRecordId<T>::value)
-            {
-                return T::sRecordId == RecName ? 1 : 0;
-            }
-            else
-            {
-                return 0;
-            }
-        }
-
-        template <typename T>
-        static void testRecNameIntCount(const Store<T>& store, const ESMStore::StoreTuple& stores)
-        {
-            if constexpr (HasRecordId<T>::value)
-            {
-                const unsigned int recordIdCount
-                    = std::apply([](auto&&... x) { return (hasSameRecordId(x, T::sRecordId) + ...); }, stores);
-                if (recordIdCount != 1)
-                {
-                    throw std::runtime_error(
-                        "The same RecNameInt is used twice ESM::REC_" + std::string(RecNameIntChar(T::sRecordId).name));
-                }
-            }
-        }
-
-        static void testAllRecNameIntUnique(const ESMStore::StoreTuple& stores)
-        {
-            std::apply([&stores](auto&&... x) { (testRecNameIntCount(x, stores), ...); }, stores);
-        }
-
         static bool readRecord(ESM4::Reader& reader, ESMStore& store)
         {
             return std::apply([&reader](auto&... x) { return (ESMStoreImp::typedReadRecordESM4(reader, x) || ...); },
@@ -305,7 +250,6 @@ namespace MWWorld
     {
         mStoreImp = std::make_unique<ESMStoreImp>();
         std::apply([this](auto&... x) { (ESMStoreImp::assignStoreToIndex(*this, x), ...); }, mStoreImp->mStores);
-        ESMStoreImp::testAllRecNameIntUnique(mStoreImp->mStores);
         mDynamicCount = 0;
         getWritable<ESM::Pathgrid>().setCells(getWritable<ESM::Cell>());
     }
diff --git a/apps/openmw/mwworld/esmstore.hpp b/apps/openmw/mwworld/esmstore.hpp
index 1ed66a1c71..61083b3ec0 100644
--- a/apps/openmw/mwworld/esmstore.hpp
+++ b/apps/openmw/mwworld/esmstore.hpp
@@ -86,7 +86,7 @@ namespace MWWorld
     class ESMStore
     {
         friend struct ESMStoreImp; // This allows StoreImp to extend esmstore without beeing included everywhere
-
+    public:
         using StoreTuple = std::tuple<Store<ESM::Activator>, Store<ESM::Potion>, Store<ESM::Apparatus>,
             Store<ESM::Armor>, Store<ESM::BodyPart>, Store<ESM::Book>, Store<ESM::BirthSign>, Store<ESM::Class>,
             Store<ESM::Clothing>, Store<ESM::Container>, Store<ESM::Creature>, Store<ESM::Dialogue>, Store<ESM::Door>,
@@ -107,6 +107,7 @@ namespace MWWorld
 
             Store<ESM4::Static>, Store<ESM4::Cell>, Store<ESM4::Reference>>;
 
+    private:
         template <typename T>
         static constexpr std::size_t getTypeIndex()
         {
diff --git a/apps/openmw_test_suite/mwworld/test_store.cpp b/apps/openmw_test_suite/mwworld/test_store.cpp
index f869f0e448..b69678c4d6 100644
--- a/apps/openmw_test_suite/mwworld/test_store.cpp
+++ b/apps/openmw_test_suite/mwworld/test_store.cpp
@@ -8,6 +8,12 @@
 #include <components/esm/records.hpp>
 #include <components/esm3/esmreader.hpp>
 #include <components/esm3/esmwriter.hpp>
+#include <components/esm4/common.hpp>
+#include <components/esm4/loadcell.hpp>
+#include <components/esm4/loadrefr.hpp>
+#include <components/esm4/loadstat.hpp>
+#include <components/esm4/reader.hpp>
+#include <components/esm4/readerutils.hpp>
 #include <components/files/configurationmanager.hpp>
 #include <components/files/conversion.hpp>
 #include <components/loadinglistener/loadinglistener.hpp>
@@ -289,6 +295,77 @@ TEST_F(StoreTest, delete_test)
     ASSERT_TRUE(mEsmStore.get<RecordType>().getSize() == 1);
 }
 
+template <class T, class = std::void_t<>>
+struct HasRecordId : std::false_type
+{
+};
+
+template <class T>
+struct HasRecordId<T, std::void_t<decltype(T::sRecordId)>> : std::true_type
+{
+};
+
+struct RecNameIntChar
+{
+    char name[6];
+    RecNameIntChar(ESM::RecNameInts recName)
+    {
+        unsigned int FourCC = recName & ~ESM::sEsm4RecnameFlag; // Removes the flag
+        name[0] = FourCC & 0xFF;
+        name[1] = (FourCC >> 8) & 0xFF;
+        name[2] = (FourCC >> 16) & 0xFF;
+        name[3] = (FourCC >> 24) & 0xFF;
+        if (ESM::isESM4Rec(recName))
+        {
+            name[4] = '4';
+            name[5] = '\0';
+        }
+        else
+        {
+            name[4] = '\0';
+        }
+    }
+};
+
+template <typename T>
+static unsigned int hasSameRecordId(const MWWorld::Store<T>& store, ESM::RecNameInts RecName)
+{
+    if constexpr (HasRecordId<T>::value)
+    {
+        return T::sRecordId == RecName ? 1 : 0;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+template <typename T>
+static void testRecNameIntCount(const MWWorld::Store<T>& store, const MWWorld::ESMStore::StoreTuple& stores)
+{
+    if constexpr (HasRecordId<T>::value)
+    {
+        const unsigned int recordIdCount
+            = std::apply([](auto&&... x) { return (hasSameRecordId(x, T::sRecordId) + ...); }, stores);
+        if (recordIdCount != 1)
+        {
+            std::cout << "The same RecNameInt is used twice ESM::REC_" + std::string(RecNameIntChar(T::sRecordId).name)
+                      << std::endl;
+        }
+        ASSERT_TRUE(recordIdCount == 1);
+    }
+}
+
+static void testAllRecNameIntUnique(const MWWorld::ESMStore::StoreTuple& stores)
+{
+    std::apply([&stores](auto&&... x) { (testRecNameIntCount(x, stores), ...); }, stores);
+}
+
+TEST_F(StoreTest, recordId_Unique) // Test that each type has a unique recordId
+{
+    testAllRecNameIntUnique(MWWorld::ESMStore::StoreTuple());
+}
+
 /// Tests overwriting of records.
 TEST_F(StoreTest, overwrite_test)
 {