diff --git a/lib/libesp32/Berry/src/be_class.c b/lib/libesp32/Berry/src/be_class.c
index 74348fc3f..960612d1b 100644
--- a/lib/libesp32/Berry/src/be_class.c
+++ b/lib/libesp32/Berry/src/be_class.c
@@ -336,7 +336,7 @@ bbool be_instance_setmember(bvm *vm, binstance *o, bstring *name, bvalue *src)
             vm->top += 4;   /* prevent collection results */
             be_dofunc(vm, top, 3); /* call method 'member' */
             vm->top -= 4;
-            return var_tobool(top);
+            return btrue;
         }
     }
     return bfalse;