diff --git a/audio/aidl/default/EffectImpl.cpp b/audio/aidl/default/EffectImpl.cpp
index 403a4b9..fa9eb95 100644
--- a/audio/aidl/default/EffectImpl.cpp
+++ b/audio/aidl/default/EffectImpl.cpp
@@ -78,7 +78,7 @@
 ndk::ScopedAStatus EffectImpl::setParameter(const Parameter& param) {
     LOG(DEBUG) << __func__ << " with: " << param.toString();
 
-    auto tag = param.getTag();
+    const auto tag = param.getTag();
     switch (tag) {
         case Parameter::common:
         case Parameter::deviceDescription: