diff --git a/corepkgs/buildenv/builder.pl.in b/corepkgs/buildenv/builder.pl.in
index 9d6f9dcc15..57fa56903b 100755
--- a/corepkgs/buildenv/builder.pl.in
+++ b/corepkgs/buildenv/builder.pl.in
@@ -94,7 +94,7 @@ sub addPkg {
 #    print "symlinking $pkgDir\n";
     createLinks("$pkgDir", "$out", $ignoreCollisions);
 
-    my $propagatedFN = "$pkgDir/nix-support/propagated-build-inputs";
+    my $propagatedFN = "$pkgDir/nix-support/propagated-user-env-packages";
     if (-e $propagatedFN) {
         open PROP, "<$propagatedFN" or die;
         my $propagated = <PROP>;