diff --git a/stepmania/PBProject/scripts/mkrelease.pl b/stepmania/PBProject/scripts/mkrelease.pl
index e459eade7f..8e140260b3 100755
--- a/stepmania/PBProject/scripts/mkrelease.pl
+++ b/stepmania/PBProject/scripts/mkrelease.pl
@@ -165,8 +165,8 @@ if( -e $pkg )
 	print "Removing $pkg\n";
 	rmtree "$pkg";
 }
-system '/usr/bin/find', "$smdir/StepMania.app", '-name', 'Headers',
-	'-exec', 'rm', '-rf', '{}', ';';
+my @headerdir = split /\n/, `find "$smdir/StepMania.app" -type d -name Headers`;
+rmtree \@headerdir;
 my $pm =
 '/Developer/Applications/Utilities/PackageMaker.app/Contents/MacOS/PackageMaker';
 system $pm, '-build', '-p', $pkg, '-f', $destdir, '-ds',