diff --git a/t/script.t b/t/script.t
index bd3f28d..f311db0 100644
--- a/t/script.t
+++ b/t/script.t
@@ -377,7 +377,7 @@
   binmode STDERR;
 
   stderr_like(
-    sub { `cat '$tplfile' | perl '$script' -ti > '$outzip'` },
+    sub { `cat '$tplfile' | perl '$script' -ti - > '$outzip'` },
     qr!tei2korapxml:.*? text_id=$text_sigle_esc!, # see above: print $fh encode_utf8($tpl);
   );
 };
@@ -632,14 +632,14 @@
 
   # Generate zip file (unportable!)
   stderr_like(
-    sub { `cat '$file' | perl '$script' --skip-token-inline-annotations=0 > '$outzip'` },
+    sub { `cat '$file' | perl '$script' --skip-token-inline-annotations=0 - > '$outzip'` },
     qr!tei2korapxml:.*? text_id=GOE_AGA\.00000!,
     'Processing 1'
   );
 
   # TODO: there should be a better way to test this
   stderr_unlike(
-    sub { `cat '$file' | perl '$script' --skip-token-inline-annotations=0 > '$outzip'` },
+    sub { `cat '$file' | perl '$script' --skip-token-inline-annotations=0 - > '$outzip'` },
     qr!.*undefined value.*!,
     'Processing 2'
   );
@@ -748,5 +748,4 @@
 };
 
 
-
 done_testing;