diff --git a/src/nix/repl.cc b/src/nix/repl.cc
index ac0f1f4d7..a1b42b760 100644
--- a/src/nix/repl.cc
+++ b/src/nix/repl.cc
@@ -896,11 +896,12 @@ struct CmdRepl : InstallablesCommand
         evalSettings.pureEval = false;
     }
     std::vector<std::string> files;
-    Strings getDefaultFlakeAttrPaths()
-    override {
+    Strings getDefaultFlakeAttrPaths() override
+    {
         return {""};
     }
-    virtual bool useDefaultInstallables() {
+    virtual bool useDefaultInstallables() override
+    {
         return file.has_value() or expr.has_value();
     }