diff --git a/pkgs/development/libraries/libav/default.nix b/pkgs/development/libraries/libav/default.nix
index 9611fdbb8d98..0bd4168d73bb 100644
--- a/pkgs/development/libraries/libav/default.nix
+++ b/pkgs/development/libraries/libav/default.nix
@@ -38,6 +38,9 @@ let
       url = "${meta.homepage}/releases/${name}.tar.xz";
       inherit sha1; # upstream directly provides sha1 of releases over https
     };
+
+    preConfigure = "patchShebangs doc/texi2pod.pl";
+
     configureFlags =
       assert stdenv.lib.all (x: x!=null) buildInputs;
     [