diff --git a/src/config.cpp b/src/config.cpp
index 5005876..af0ed48 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -10,6 +10,6 @@ namespace config {
     int n_io_threads = 1;
     size_t n_slots = 100;
 
-    string dataset_name = "data";
+    std::string dataset_name = "data";
 
 }
diff --git a/src/config.hpp b/src/config.hpp
index 168ba65..5bc49f5 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -15,7 +15,7 @@ namespace config
     extern int n_io_threads;
     extern size_t n_slots;
 
-    extern string dataset_name;
+    extern std::string dataset_name;
 }
 
 #endif
\ No newline at end of file