diff --git a/runtime/utils.cc b/runtime/utils.cc
index d8f8f8f..237d217 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -1049,7 +1049,7 @@
   if (last_slash == std::string::npos) {
     return map->name;
   }
-  return map->name.substr(last_slash);
+  return map->name.substr(last_slash + 1);
 }
 
 void DumpNativeStack(std::ostream& os, pid_t tid, const char* prefix, bool include_count) {