diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc
index 648e21a25..d4871a8e2 100644
--- a/src/libmain/shared.cc
+++ b/src/libmain/shared.cc
@@ -363,6 +363,7 @@ void printVersion(const std::string & programName)
             << "\n";
         std::cout << "Store directory: " << settings.nixStore << "\n";
         std::cout << "State directory: " << settings.nixStateDir << "\n";
+        std::cout << "Data directory: " << settings.nixDataDir << "\n";
     }
     throw Exit();
 }