diff --git a/pkgs/development/python-modules/pyscard/default.nix b/pkgs/development/python-modules/pyscard/default.nix
index a15342e17fa..bab8e502b9c 100644
--- a/pkgs/development/python-modules/pyscard/default.nix
+++ b/pkgs/development/python-modules/pyscard/default.nix
@@ -1,12 +1,12 @@
-{ stdenv, fetchPypi, buildPythonPackage, swig, pcsclite, PCSC }:
+{ stdenv, fetchPypi, fetchpatch, buildPythonPackage, swig, pcsclite, PCSC }:
 
 buildPythonPackage rec {
-  version = "1.9.7";
+  version = "1.9.8";
   pname = "pyscard";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "412c74c83e7401566e9d3d7b8b5ca965e74582a1f33179b3c1fabf1da73ebf80";
+    sha256 = "15fh00z1an6r5j7hrz3jlq0rb3jygwf3x4jcwsa008bv8vpcg7gm";
   };
 
   postPatch = ''
@@ -16,6 +16,15 @@ buildPythonPackage rec {
 
   NIX_CFLAGS_COMPILE = "-isystem ${stdenv.lib.getDev pcsclite}/include/PCSC/";
 
+  patches = [
+    # Fixes darwin tests
+    # See: https://github.com/LudovicRousseau/pyscard/issues/77
+    (fetchpatch {
+      url = "https://github.com/LudovicRousseau/pyscard/commit/62e675028086c75656444cc21d563d9f08ebf8e7.patch";
+      sha256 = "1lr55npcpc8j750vf7vaisqyk18d5f00l7nii2lvawg4sssjaaf7";
+    })
+  ];
+
   propagatedBuildInputs = [ pcsclite ];
   buildInputs = stdenv.lib.optional stdenv.isDarwin PCSC;
   nativeBuildInputs = [ swig ];