diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 83ffd686e8e0..5692bb48f019 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3957,6 +3957,9 @@ let
     };
 
     buildInputs = [ pkgs.ncurses ];
+    patchPhase = ''
+      substituteInPlace setup.py --replace "/bin/bash" "${pkgs.bash}/bin/bash"
+    '';
   };
 
   gnutls = buildPythonPackage rec {