diff --git a/llvm/utils/NightlyTest.pl b/llvm/utils/NightlyTest.pl
index 6fff537b5a4d..c90a2c2758f6 100755
--- a/llvm/utils/NightlyTest.pl
+++ b/llvm/utils/NightlyTest.pl
@@ -281,7 +281,7 @@ my $ProgramsTable = ReadFile "report.nightly.html";
 # Create a list of the tests which were run...
 #
 system "grep -E 'TEST-(PASS|FAIL)' < $Prefix-ProgramTest.txt "
-     . "| sort --key=3 > $Prefix-Tests.txt";
+     . "| sort > $Prefix-Tests.txt";
 
 # Compress the test output
 system "gzip $Prefix-ProgramTest.txt";