diff --git a/CommonLibSF/include/SFSE/Interfaces.h b/CommonLibSF/include/SFSE/Interfaces.h
index a88aaf06..f4b1d32b 100644
--- a/CommonLibSF/include/SFSE/Interfaces.h
+++ b/CommonLibSF/include/SFSE/Interfaces.h
@@ -187,11 +187,13 @@ namespace SFSE
 
 		constexpr void UsesSigScanning(const bool a_value) noexcept { SetOrClearBit(addressIndependence, 1 << 0, a_value); }
 
+		// 1 << 1 is for address library v1
 		constexpr void UsesAddressLibrary(const bool a_value) noexcept { SetOrClearBit(addressIndependence, 1 << 1, a_value); }
 
 		constexpr void HasNoStructUse(const bool a_value) noexcept { SetOrClearBit(structureCompatibility, 1 << 0, a_value); }
 
-		constexpr void IsLayoutDependent(const bool a_value) noexcept { SetOrClearBit(structureCompatibility, 1 << 1, a_value); }
+		// 1 << 2 is for runtime 1.8.86 and later
+		constexpr void IsLayoutDependent(const bool a_value) noexcept { SetOrClearBit(structureCompatibility, 1 << 2, a_value); }
 
 		constexpr void CompatibleVersions(std::initializer_list<REL::Version> a_versions) noexcept
 		{