diff --git a/hal/src/main/native/include/hal/simulation/SimDataValue.h b/hal/src/main/native/include/hal/simulation/SimDataValue.h
index 360664e464..ff333a5c34 100644
--- a/hal/src/main/native/include/hal/simulation/SimDataValue.h
+++ b/hal/src/main/native/include/hal/simulation/SimDataValue.h
@@ -53,7 +53,7 @@ class SimDataValueBase : protected SimCallbackRegistryBase {
       lock.unlock();
       callback(name, param, &value);
     }
-    return newUid + 1;
+    return newUid;
   }
 
   void DoSet(T value, const char* name) {