diff --git a/packages/components/src/field/src/FieldMessage.tsx b/packages/components/src/field/src/FieldMessage.tsx
index a0bbd939d..f90ed9c86 100644
--- a/packages/components/src/field/src/FieldMessage.tsx
+++ b/packages/components/src/field/src/FieldMessage.tsx
@@ -58,7 +58,7 @@ export const FieldMessage = forwardRef<any, InnerFieldMessageProps>(({
                         fluidValue && "fluid"
                     ),
                     ref,
-                    size: "sm"
+                    size: "sm" as const
                 }
             )}
         >