diff --git a/services/mediaresourcemanager/ResourceObserverService.cpp b/services/mediaresourcemanager/ResourceObserverService.cpp
index ebe3903..33525fd 100644
--- a/services/mediaresourcemanager/ResourceObserverService.cpp
+++ b/services/mediaresourcemanager/ResourceObserverService.cpp
@@ -122,7 +122,7 @@
                 "can't dump ResourceManagerService from pid=%d, uid=%d\n",
                 AIBinder_getCallingPid(),
                 AIBinder_getCallingUid());
-        write(fd, result.string(), result.size());
+        write(fd, result.c_str(), result.size());
         return PERMISSION_DENIED;
     }
 
@@ -150,7 +150,7 @@
         }
     }
 
-    write(fd, result.string(), result.size());
+    write(fd, result.c_str(), result.size());
     return OK;
 }