diff --git a/pkgs/applications/networking/mailreaders/mblaze/default.nix b/pkgs/applications/networking/mailreaders/mblaze/default.nix
index 2da313364109..f00ec6e6566f 100644
--- a/pkgs/applications/networking/mailreaders/mblaze/default.nix
+++ b/pkgs/applications/networking/mailreaders/mblaze/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, libiconv }:
+{ stdenv, fetchFromGitHub, fetchpatch, libiconv }:
 
 stdenv.mkDerivation rec {
   name = "mblaze-${version}";
@@ -13,6 +13,13 @@ stdenv.mkDerivation rec {
     sha256 = "11x548dl2jy9cmgsakqrzfdq166whhk4ja7zkiaxrapkjmkf6pbh";
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/leahneukirchen/mblaze/commit/53151f4f890f302291eb8d3375dec4f8ecb66ed7.patch";
+      sha256 = "1mcyrh053iiyzdhgm09g5h3a77np496whnc7jr4agpk1nkbcpfxc";
+    })
+  ];
+
   makeFlags = "PREFIX=$(out)";
 
   postInstall = ''