diff --git a/src/openrct2/core/Identifier.hpp b/src/openrct2/core/Identifier.hpp
index 21a8fca916..0e97e6515d 100644
--- a/src/openrct2/core/Identifier.hpp
+++ b/src/openrct2/core/Identifier.hpp
@@ -86,8 +86,18 @@ public:
         return ToUnderlying() < other.ToUnderlying();
     }
 
+    constexpr bool operator<=(const TIdentifier& other) const noexcept
+    {
+        return ToUnderlying() <= other.ToUnderlying();
+    }
+
     constexpr bool operator>(const TIdentifier& other) const noexcept
     {
         return ToUnderlying() > other.ToUnderlying();
     }
+
+    constexpr bool operator>=(const TIdentifier& other) const noexcept
+    {
+        return ToUnderlying() >= other.ToUnderlying();
+    }
 };