diff --git a/libs/filabridge/include/filament/MaterialEnums.h b/libs/filabridge/include/filament/MaterialEnums.h
index 40ecd60dbd..bfa5ee8a04 100644
--- a/libs/filabridge/include/filament/MaterialEnums.h
+++ b/libs/filabridge/include/filament/MaterialEnums.h
@@ -179,7 +179,7 @@ enum class RefractionType : uint8_t {
 // can't really use std::underlying_type<AttributeIndex>::type because the driver takes a uint32_t
 using AttributeBitset = utils::bitset32;
 
-static constexpr size_t MATERIAL_PROPERTIES_COUNT = 27;
+static constexpr size_t MATERIAL_PROPERTIES_COUNT = 26;
 enum class Property : uint8_t {
     BASE_COLOR,              //!< float4, all shading models
     ROUGHNESS,               //!< float,  lit shading models only