1 files changed, 1 insertions, 1 deletions
diff --git a/src/build/tools/addCopyright b/src/build/tools/addCopyright
index 8ef064b15..356d47666 100755
--- a/src/build/tools/addCopyright
+++ b/src/build/tools/addCopyright
@@ -1118,7 +1118,7 @@ sub getFileContributors
         push(@gitAuthors, $curAuthorEmail);
     }
     # Internal mirror, add IBM as contributor
-    elsif ($ENV{'MIRROR'} == 1)
+    elsif (defined $ENV{'MIRROR'})
     {
         push(@gitAuthors, "\@ibm.com>");
     }