diff --git a/pkgs/applications/video/aegisub/default.nix b/pkgs/applications/video/aegisub/default.nix
index 39a85a03199d..ebc1249dc11d 100644
--- a/pkgs/applications/video/aegisub/default.nix
+++ b/pkgs/applications/video/aegisub/default.nix
@@ -29,6 +29,9 @@ stdenv.mkDerivation rec {
     sha256 = "11b83qazc8h0iidyj1rprnnjdivj1lpphvpa08y53n42bfa36pn5";
   };
 
+  # Fixup build with icu-59
+  postPatch = "sed '1i#include <unicode/unistr.h>' -i src/utils.cpp";
+
   buildInputs = with stdenv.lib;
   [ pkgconfig intltool libX11 wxGTK fontconfig freetype mesa
     libass fftw ffms ffmpeg zlib icu boost boost.out libiconv