diff --git a/mlir/include/mlir/Dialect/EmitC/IR/EmitCBase.td b/mlir/include/mlir/Dialect/EmitC/IR/EmitCBase.td
--- a/mlir/include/mlir/Dialect/EmitC/IR/EmitCBase.td
+++ b/mlir/include/mlir/Dialect/EmitC/IR/EmitCBase.td
@@ -31,6 +31,7 @@
   let hasConstantMaterializer = 1;
   let useDefaultTypePrinterParser = 1;
   let useDefaultAttributePrinterParser = 1;
+  let usePropertiesForAttributes = 1;
 }
 
 #endif // MLIR_DIALECT_EMITC_IR_EMITCBASE