diff --git a/cas/1.2/default/DescramblerImpl.cpp b/cas/1.2/default/DescramblerImpl.cpp
index 309cd3c..9d2ead7 100644
--- a/cas/1.2/default/DescramblerImpl.cpp
+++ b/cas/1.2/default/DescramblerImpl.cpp
@@ -59,7 +59,7 @@
 }
 
 Return<Status> DescramblerImpl::setMediaCasSession(const HidlCasSessionId& sessionId) {
-    ALOGV("%s: sessionId=%s", __FUNCTION__, sessionIdToString(sessionId).string());
+    ALOGV("%s: sessionId=%s", __FUNCTION__, sessionIdToString(sessionId).c_str());
 
     std::shared_ptr<DescramblerPlugin> holder = std::atomic_load(&mPluginHolder);
     if (holder.get() == nullptr) {