diff --git a/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl b/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl
index ba15b64ca73..0213f21ee81 100644
--- a/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl
+++ b/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl
@@ -16,7 +16,7 @@ $ENV{PATH} = "$ENV{PATH}:" . getcwd();
 
 my ($out, $err) = run_command(['libpq_pipeline', 'tests']);
 die "oops: $err" unless $err eq '';
-my @tests = split(/\s/, $out);
+my @tests = split(/\s+/, $out);
 
 for my $testname (@tests)
 {