diff --git a/src/Core/Resource/Factory/CUnsupportedParticleLoader.cpp b/src/Core/Resource/Factory/CUnsupportedParticleLoader.cpp
index ab52b31f..6c444fc0 100644
--- a/src/Core/Resource/Factory/CUnsupportedParticleLoader.cpp
+++ b/src/Core/Resource/Factory/CUnsupportedParticleLoader.cpp
@@ -999,7 +999,7 @@ void CUnsupportedParticleLoader::ParseIntFunction(IInputStream& rFile)
 
     case FOURCC('CNST'):
     {
-        uint32 Value = rFile.ReadLong();
+        [[maybe_unused]] const uint32 Value = rFile.ReadULong();
         ASSERT(gpResourceStore->FindEntry(CAssetID(Value)) == nullptr);
         break;
     }
diff --git a/src/Core/Resource/Script/Property/CStructProperty.cpp b/src/Core/Resource/Script/Property/CStructProperty.cpp
index c3f8000f..4343d904 100644
--- a/src/Core/Resource/Script/Property/CStructProperty.cpp
+++ b/src/Core/Resource/Script/Property/CStructProperty.cpp
@@ -97,7 +97,7 @@ void CStructProperty::Serialize(IArchive& rArc)
     // Serialize archetype
     if (mpArchetype)
     {
-        CStructProperty* pArchetype = static_cast<CStructProperty*>(mpArchetype);
+        [[maybe_unused]] const CStructProperty* pArchetype = static_cast<CStructProperty*>(mpArchetype);
         ASSERT(pArchetype != nullptr);
 
         if (rArc.IsReader())