diff -bu IO-Compress-2.072-14/t/cz-14gzopen.t~ IO-Compress-2.072-14/t/cz-14gzopen.t
--- IO-Compress-2.072-14/t/cz-14gzopen.t~	2017-02-12 13:11:48.000000000 +0100
+++ IO-Compress-2.072-14/t/cz-14gzopen.t	2017-02-18 12:22:35.000000000 +0100
@@ -439,7 +439,7 @@
 
     # missing parameters
     eval ' $fil = gzopen()  ' ;
-    like $@, mkEvalErr('Not enough arguments for Compress::Zlib::gzopen'),
+    like $@, mkEvalErr('Not enough arguments for( subroutine entry)? Compress::Zlib::gzopen'),
         '  gzopen with missing mode fails' ;
 
     # unknown parameters