diff --git a/include/core/map/map_base.h b/include/core/map/map_base.h
index a9679d5302250d71eed7c6c612be5d0ebb5306c6..88fd0019053abbc835ee7836c915c14cf6a9c23f 100644
--- a/include/core/map/map_base.h
+++ b/include/core/map/map_base.h
@@ -54,7 +54,7 @@ MapBasePtr create(const ParamsMapBasePtr _params)                       \
  */
 struct ParamsMapBase: public ParamsBase
 {
-    std::string prefix = "map/";
+    std::string prefix = "map";
 
     ParamsMapBase(const ParamsServer& _param_server) :
         ParamsBase("map", _param_server)