diff --git a/pkgs/development/libraries/gobject-introspection/setup-hook.sh b/pkgs/development/libraries/gobject-introspection/setup-hook.sh
index a79ce05a38d..a68d544cfbe 100644
--- a/pkgs/development/libraries/gobject-introspection/setup-hook.sh
+++ b/pkgs/development/libraries/gobject-introspection/setup-hook.sh
@@ -4,8 +4,8 @@ make_gobject_introspection_find_gir_files() {
       addToSearchPath GI_TYPELIB_PATH $1/lib/girepository-1.0
     fi
 
-    # XDG_DATA_DIRS: required for .gir files?
-    if [ -d "$1/share" ]; then
+    # XDG_DATA_DIRS: required for finding .gir files
+    if [ -d "$1/share/gir-1.0" ]; then
       addToSearchPath XDG_DATA_DIRS $1/share
     fi
 }