diff --git a/pkgs/tools/security/gnupg/21.nix b/pkgs/tools/security/gnupg/21.nix
index 30ce33bd6a51..b5f1f3b94b79 100644
--- a/pkgs/tools/security/gnupg/21.nix
+++ b/pkgs/tools/security/gnupg/21.nix
@@ -27,6 +27,8 @@ stdenv.mkDerivation rec {
     readline libusb gnutls adns openldap zlib bzip2
   ];
 
+  patches = [ ./fix-gpgsm-linking.patch ];
+
   postPatch = stdenv.lib.optionalString stdenv.isLinux ''
     sed -i 's,"libpcsclite\.so[^"]*","${pcsclite}/lib/libpcsclite.so",g' scd/scdaemon.c
   ''; #" fix Emacs syntax highlighting :-(
diff --git a/pkgs/tools/security/gnupg/fix-gpgsm-linking.patch b/pkgs/tools/security/gnupg/fix-gpgsm-linking.patch
new file mode 100644
index 000000000000..290d43f5b0d4
--- /dev/null
+++ b/pkgs/tools/security/gnupg/fix-gpgsm-linking.patch
@@ -0,0 +1,11 @@
+--- a/tests/gpgscm/Makefile.in
++++ b/tests/gpgscm/Makefile.in
+@@ -457,7 +457,7 @@
+ 	scheme-config.h opdefines.h scheme.c scheme.h scheme-private.h
+ 
+ gpgscm_LDADD = $(LDADD) $(common_libs) \
+-	$(NETLIBS) $(LIBICONV) $(LIBREADLINE) \
++	$(NETLIBS) $(LIBICONV) $(LIBREADLINE) $(LIBINTL) \
+ 	$(LIBGCRYPT_LIBS) $(GPG_ERROR_LIBS)
+ 
+ t_child_SOURCES = t-child.c