diff --git a/perl-DBD-MariaDB.spec b/perl-DBD-MariaDB.spec
index e488aa5..a796b9c 100644
--- a/perl-DBD-MariaDB.spec
+++ b/perl-DBD-MariaDB.spec
@@ -9,7 +9,7 @@
 
 Name:           perl-DBD-MariaDB
 Version:        1.21
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        MariaDB and MySQL driver for the Perl5 Database Interface (DBI)
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/DBD-MariaDB/
@@ -110,11 +110,7 @@ cp %{SOURCE1} %{SOURCE2} t/
 
 # Help file to recognise the Perl scripts and normalize shebangs
 for F in t/*.t t/*.pl; do
-    if head -1 "$F" | grep -q -e '^#!.*perl\b' ; then
-        perl -MConfig -pi -e 's|^#!.*perl\b|$Config{startperl}|' "$F"
-    else
-        perl -i -MConfig -ple 'print $Config{startperl} if $. == 1' "$F"
-    fi
+    perl -i -MConfig -ple 'print $Config{startperl} if $. == 1 && !s{\A#!.*perl\b}{$Config{startperl}}' "$F"
     chmod +x "$F"
 done
 
@@ -174,6 +170,9 @@ make test %{?with_perl_DBD_MariaDB_enables_leak_test:EXTENDED_TESTING=1}
 %{_libexecdir}/%{name}
 
 %changelog
+* Tue May 04 2021 Jitka Plesnikova <jplesnik@redhat.com> - 1.21-12
+- Update tests
+
 * Fri Mar 12 2021 Jitka Plesnikova <jplesnik@redhat.com> - 1.21-11
 - Package tests