diff --git a/pkgs/development/libraries/gobject-introspection/default.nix b/pkgs/development/libraries/gobject-introspection/default.nix
index c2f60d460d7e..2567975aa660 100644
--- a/pkgs/development/libraries/gobject-introspection/default.nix
+++ b/pkgs/development/libraries/gobject-introspection/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, glib, flex, bison, pkgconfig, libffi, python
 , libintlOrEmpty, autoconf, automake, otool
-, substituteAll, nixStoreDir ? "/nix/store"
+, substituteAll, nixStoreDir ? builtins.storeDir
 }:
 # now that gobjectIntrospection creates large .gir files (eg gtk3 case)
 # it may be worth thinking about using multiple derivation outputs
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b04d2c1457bc..8d270ce7f860 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6640,7 +6640,7 @@ let
   mpfr = callPackage ../development/libraries/mpfr/default.nix { };
 
   gobjectIntrospection = callPackage ../development/libraries/gobject-introspection {
-    nixStoreDir = config.nix.storeDir or "/nix/store";
+    nixStoreDir = config.nix.storeDir or builtins.storeDir;
   };
 
   goocanvas = callPackage ../development/libraries/goocanvas { };