Fix undef warnings from Text::ParseWords when running tests with -w

[dbsrgits/SQL-Translator.git] / t / 09sqlt-diagram.t

diff --git a/t/09sqlt-diagram.t b/t/09sqlt-diagram.t
index 53de678..85d5598 100644 (file)
--- a/t/09sqlt-diagram.t
+++ b/t/09sqlt-diagram.t
@@ -26,7 +26,7 @@ my $test_data = catfile($Bin, @data);
 my $tmp = mktemp('sqlXXXXX');
 
 ok(-e $sqlt_diagram);
-my @cmd = ($^X, shellwords($ENV{HARNESS_PERL_SWITCHES}), $sqlt_diagram, "-d", "MySQL", "-o", $tmp, $test_data);
+my @cmd = ($^X, shellwords($ENV{HARNESS_PERL_SWITCHES}||''), $sqlt_diagram, "-d", "MySQL", "-o", $tmp, $test_data);
 eval { system(@cmd); };
 ok(!$@ && ($? == 0));
 ok(-e $tmp);