Index: gnuradio-runtime/lib/constants.cc.in
--- gnuradio-runtime/lib/constants.cc.in.orig
+++ gnuradio-runtime/lib/constants.cc.in
@@ -62,7 +62,7 @@ namespace gr {
       return sysconfdir() + "/@CMAKE_PROJECT_NAME@/conf.d";
     }
 
-    return "@GR_PREFSDIR@";
+    return "@SYSCONFDIR@/@CMAKE_PROJECT_NAME@/conf.d";
   }
 
   const std::string