diff --git a/pkgs/development/python-modules/black-macchiato/default.nix b/pkgs/development/python-modules/black-macchiato/default.nix
index da26ce0ed3a8..56677dd344af 100644
--- a/pkgs/development/python-modules/black-macchiato/default.nix
+++ b/pkgs/development/python-modules/black-macchiato/default.nix
@@ -5,6 +5,7 @@
   pythonOlder,
   pytestCheckHook,
   black,
+  fetchpatch,
 }:
 
 buildPythonPackage rec {
@@ -21,6 +22,14 @@ buildPythonPackage rec {
     sha256 = "0lc9w50nlbmlzj44krk7kxcia202fhybbnwfh77xixlc7vb4rayl";
   };
 
+  patches = [
+    # fix empty multi-line string test
+    (fetchpatch {
+      url = "https://github.com/wbolster/black-macchiato/commit/d3243a1c95b5029b3ffa12417f0c587a2ba79bcd.patch";
+      hash = "sha256-3m8U6c+1UCRy/Fkq6lk9LhwrFyE+q3GD2jnMA7N4ZJs=";
+    })
+  ];
+
   propagatedBuildInputs = [ black ];
 
   nativeCheckInputs = [