diff --git a/src/config.cpp b/src/config.cpp
index 0a0297e..5005876 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -10,4 +10,6 @@ namespace config {
     int n_io_threads = 1;
     size_t n_slots = 100;
 
+    string dataset_name = "data";
+
 }
diff --git a/src/config.hpp b/src/config.hpp
index bc6d1c5..168ba65 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -1,4 +1,5 @@
 #include <H5Cpp.h>
+#include <string>
 
 #ifndef CONFIG_H
 #define CONFIG_H
@@ -13,6 +14,8 @@ namespace config
     extern uint16_t rest_port;
     extern int n_io_threads;
     extern size_t n_slots;
+
+    extern string dataset_name;
 }
 
 #endif
\ No newline at end of file