diff --git a/pkgs/development/python-modules/capstone/default.nix b/pkgs/development/python-modules/capstone/default.nix
index f10f34c381d4..c99c392841eb 100644
--- a/pkgs/development/python-modules/capstone/default.nix
+++ b/pkgs/development/python-modules/capstone/default.nix
@@ -10,7 +10,7 @@ buildPythonPackage rec {
   version = lib.getVersion capstone;
 
   src = capstone.src;
-  sourceRoot = "${capstone.name}/bindings/python";
+  sourceRoot = "source/bindings/python";
 
   postPatch = ''
     ln -s ${capstone}/lib/libcapstone${stdenv.targetPlatform.extensions.sharedLibrary} prebuilt/