diff --git a/pkgs/data/misc/tzdata/tzdata-setup-hook.sh b/pkgs/data/misc/tzdata/tzdata-setup-hook.sh
index 9ae9b46d85c..9975d0aec31 100644
--- a/pkgs/data/misc/tzdata/tzdata-setup-hook.sh
+++ b/pkgs/data/misc/tzdata/tzdata-setup-hook.sh
@@ -2,5 +2,4 @@ tzdataHook() {
     export TZDIR=@out@/share/zoneinfo
 }
 
-envHooks+=(tzdataHook)
-crossEnvHooks+=(tzdataHook)
+addEnvHooks "$targetOffset" tzdataHook