diff --git a/macros.perl-meta b/macros.perl-meta
index 2e2122f50106b5f33b20da8490d8489db3a072e8..f6d220f4d037c53019577d5274bfa9d32f542167 100644
--- a/macros.perl-meta
+++ b/macros.perl-meta
@@ -6,4 +6,6 @@
 
 %__perlmeta_buildrequires %{_rpmconfigdir}/@VENDOR@/perlmeta_analysor
 
-%perlmeta_buildrequires(x) %__perlmeta_buildrequires --buildrequires %{!-x:--test}
+%perlmeta_buildrequires(x) \
+( [ -f ./META.json ] && echo './META.json' | %__perlmeta_buildrequires --buildrequires %{!-x:--test} ) || \
+( [ -f ./META.yml ] && echo './META.yml' | %__perlmeta_buildrequires --buildrequires %{!-x:--test} )
diff --git a/perl-generators.spec b/perl-generators.spec
index 7957e850fc4827d2e2f8305d29a0485977375637..625bc334a051e8ccd9ff01f7e5ba06e914729497 100644
--- a/perl-generators.spec
+++ b/perl-generators.spec
@@ -1,6 +1,6 @@
 Name:           perl-generators
 Version:        1.16
-Release:        7
+Release:        8
 Summary:        RPM Perl dependencies generators
 License:        GPL-1.0-or-later and GPL-2.0-or-later
 URL:            http://jplesnik.fedorapeople.org/generators
@@ -78,6 +78,9 @@ make test
 %{_rpmmacrodir}/macros.perl-meta
 
 %changelog
+* Fri Nov 14 2025 Funda Wang <fundawang@yeah.net> - 1.16-8
+- force stdin of analysor script
+
 * Fri Nov 14 2025 Funda Wang <fundawang@yeah.net> - 1.16-7
 - merge two META.json/yml analysors for runtime and buildtime into one
 
diff --git a/perlmeta_analysor b/perlmeta_analysor
index 926bcd53a12a021bcb53c73ab8d99e8efa50c388..9489a50c7c9605f39e6a7552c71faca98b32e0c4 100755
--- a/perlmeta_analysor
+++ b/perlmeta_analysor
@@ -22,11 +22,19 @@ use JSON qw{ from_json };
 use YAML qw{ Load      };
 use Getopt::Long;
 
+my $process_requires = 0;
+my $process_buildrequires = 0;
+my $process_test = 0;
+my $process_recommends = 0;
+
+GetOptions ('requires!' => \$process_requires, 'buildrequires!' => \$process_buildrequires, 'recommends!' => \$process_recommends, 'test!' => \$process_test);
+
 # slurp the file
-my $path = './META.json';
+my $path = <>;
+chomp($path);
+
 my $fh;
 open $fh, '<', $path 
-  or (open $fh, '<', './META.yml' and $path = './META.yml')
   or die "can't open $path: $!";
 my $data = do { local $/; <$fh> };
 close $fh;
@@ -39,12 +47,6 @@ my $meta = $path =~ /\.yml$/
 my $module;
 my $requires;
 
-my $process_requires = 0;
-my $process_buildrequires = 0;
-my $process_test = 0;
-my $process_recommends = 0;
-
-GetOptions ('requires!' => \$process_requires, 'buildrequires!' => \$process_buildrequires, 'recommends!' => \$process_recommends, 'test!' => \$process_test);
 if ($process_requires) {
   # dump the runtime requires with their version
   $requires = $meta->{"meta-spec"}{version} >= 2