diff --git a/src/stageros.cpp b/src/stageros.cpp
index b6a5869..01b333f 100644
--- a/src/stageros.cpp
+++ b/src/stageros.cpp
@@ -182,11 +182,11 @@ StageNode::mapName(const char *name, size_t robotID, Stg::Model* mod) const
 
         if ((found==std::string::npos) && umn)
         {
-            snprintf(buf, sizeof(buf), "/%s/%s", ((Stg::Ancestor *) mod)->Token(), name);
+            snprintf(buf, sizeof(buf), "%s/%s", ((Stg::Ancestor *) mod)->Token(), name);
         }
         else
         {
-            snprintf(buf, sizeof(buf), "/robot_%u/%s", (unsigned int)robotID, name);
+            snprintf(buf, sizeof(buf), "robot_%u/%s", (unsigned int)robotID, name);
         }
 
         return buf;
@@ -208,11 +208,11 @@ StageNode::mapName(const char *name, size_t robotID, size_t deviceID, Stg::Model
 
         if ((found==std::string::npos) && umn)
         {
-            snprintf(buf, sizeof(buf), "/%s/%s_%u", ((Stg::Ancestor *) mod)->Token(), name, (unsigned int)deviceID);
+            snprintf(buf, sizeof(buf), "%s/%s_%u", ((Stg::Ancestor *) mod)->Token(), name, (unsigned int)deviceID);
         }
         else
         {
-            snprintf(buf, sizeof(buf), "/robot_%u/%s_%u", (unsigned int)robotID, name, (unsigned int)deviceID);
+            snprintf(buf, sizeof(buf), "robot_%u/%s_%u", (unsigned int)robotID, name, (unsigned int)deviceID);
         }
 
         return buf;