diff --git a/pkgs/by-name/li/libgnt/package.nix b/pkgs/by-name/li/libgnt/package.nix
index 104a22beab74..637da4c2bc71 100644
--- a/pkgs/by-name/li/libgnt/package.nix
+++ b/pkgs/by-name/li/libgnt/package.nix
@@ -6,13 +6,13 @@
 }:
 stdenv.mkDerivation rec {
   pname = "libgnt";
-  version = "2.14.3";
+  version = "2.14.4-dev";
 
   outputs = [ "out" "dev" ] ++ lib.optional buildDocs "devdoc";
 
   src = fetchurl {
     url = "mirror://sourceforge/pidgin/${pname}-${version}.tar.xz";
-    hash = "sha256-V/VFf3KZnQuxoTmjfydG7BtaAsCU8nEKM52LzqQjYSM=";
+    hash = "sha256-GVkzqacx01dXkbiBulzArSpxXh6cTCPMqqKhfhZMluw=";
   };
 
   nativeBuildInputs = [ glib meson ninja pkg-config ]
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib ncurses libxml2 ];
 
   postPatch = ''
-    substituteInPlace meson.build --replace \
+    substituteInPlace meson.build --replace-fail \
       "ncurses_sys_prefix = '/usr'" \
       "ncurses_sys_prefix = '${lib.getDev ncurses}'"
   '';