diff --git a/pkgs/development/perl-modules/generic/default.nix b/pkgs/development/perl-modules/generic/default.nix
index 8d4195fad0bf..566129a5f00c 100644
--- a/pkgs/development/perl-modules/generic/default.nix
+++ b/pkgs/development/perl-modules/generic/default.nix
@@ -35,6 +35,8 @@
 
   env ? { },
 
+  postPatch ? "patchShebangs .",
+
   ...
 }@attrs:
 
@@ -66,6 +68,7 @@ lib.throwIf (attrs ? name)
             doCheck
             checkTarget
             enableParallelBuilding
+            postPatch
             ;
           env = {
             inherit PERL_AUTOINSTALL AUTOMATED_TESTING PERL_USE_UNSAFE_INC;