diff --git a/src/util/config-file.cpp b/src/util/config-file.cpp
index c80ddc6..ea56d12 100644
--- a/src/util/config-file.cpp
+++ b/src/util/config-file.cpp
@@ -45,15 +45,15 @@
         }
     }
 
-#ifdef NDN_CPP_SYSCONFDIR
-  path sysconfdir(NDN_CPP_SYSCONFDIR);
+#ifdef NDN_CXX_SYSCONFDIR
+  path sysconfdir(NDN_CXX_SYSCONFDIR);
   sysconfdir /= "ndn/client.conf";
 
   if (exists(sysconfdir))
     {
       return absolute(sysconfdir);
     }
-#endif // NDN_CPP_SYSCONFDIR
+#endif // NDN_CXX_SYSCONFDIR
 
   path etc("/etc/ndn/client.conf");
   if (exists(etc))