diff --git a/pkgs/tools/security/gnupg/20.nix b/pkgs/tools/security/gnupg/20.nix
index 10f4b587861d..cf11ecb82328 100644
--- a/pkgs/tools/security/gnupg/20.nix
+++ b/pkgs/tools/security/gnupg/20.nix
@@ -19,6 +19,7 @@ stdenv.mkDerivation rec {
 
   patchPhase = ''
     find tests -type f | xargs sed -e 's@/bin/pwd@${coreutils}&@g' -i
+  '' + stdenv.lib.optionalString stdenv.isLinux ''
     sed -i 's,"libpcsclite\.so[^"]*","${pcsclite}/lib/libpcsclite.so",g' scd/scdaemon.c
   '' + stdenv.lib.optionalString stdenv.isDarwin ''
     find . -name pcsc-wrapper.c | xargs sed -i 's/typedef unsinged int pcsc_dword_t/typedef unsigned int pcsc_dword_t/'