diff --git a/src/test/ssl/t/001_ssltests.pl b/src/test/ssl/t/001_ssltests.pl
index c77bc9ef50..efe5634fff 100644
--- a/src/test/ssl/t/001_ssltests.pl
+++ b/src/test/ssl/t/001_ssltests.pl
@@ -17,7 +17,7 @@ if ($ENV{with_ssl} ne 'openssl')
 {
 	plan skip_all => 'OpenSSL not supported by this build';
 }
-elsif ($ENV{PG_TEST_EXTRA} !~ /ssl/)
+elsif ($ENV{PG_TEST_EXTRA} !~ /\bssl\b/)
 {
 	plan skip_all => 'Potentially unsafe test SSL not enabled in PG_TEST_EXTRA';
 }