diff --git a/pkgs/applications/networking/mailreaders/mutt/default.nix b/pkgs/applications/networking/mailreaders/mutt/default.nix
index f2c097a43752..cb0b8c8f5b79 100644
--- a/pkgs/applications/networking/mailreaders/mutt/default.nix
+++ b/pkgs/applications/networking/mailreaders/mutt/default.nix
@@ -35,8 +35,8 @@ stdenv.mkDerivation rec {
   };
 
   patches = optional smimeSupport (fetchpatch {
-    url    = "https://sources.debian.net/src/mutt/1.7.2-1/debian/patches/misc/smime.rc.patch";
-    sha256 = "0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73";
+    url = "https://salsa.debian.org/mutt-team/mutt/raw/debian/1.10.1-2/debian/patches/misc/smime.rc.patch";
+    sha256 = "1rl27qqwl4nw321ll5jcvfmkmz4fkvcsh5vihjcrhzzyf6vz8wmj";
   });
 
   buildInputs =
diff --git a/pkgs/applications/networking/mailreaders/neomutt/default.nix b/pkgs/applications/networking/mailreaders/neomutt/default.nix
index f082c241a64c..a8c322b42b83 100644
--- a/pkgs/applications/networking/mailreaders/neomutt/default.nix
+++ b/pkgs/applications/networking/mailreaders/neomutt/default.nix
@@ -1,6 +1,7 @@
 { stdenv, fetchFromGitHub, gettext, makeWrapper, tcl, which, writeScript
 , ncurses, perl , cyrus_sasl, gss, gpgme, kerberos, libidn, libxml2, notmuch, openssl
-, lmdb, libxslt, docbook_xsl, docbook_xml_dtd_42, mime-types }:
+, lmdb, libxslt, docbook_xsl, docbook_xml_dtd_42, mailcap
+}:
 
 let
   muttWrapper = writeScript "mutt" ''
@@ -28,7 +29,7 @@ in stdenv.mkDerivation rec {
   buildInputs = [
     cyrus_sasl gss gpgme kerberos libidn ncurses
     notmuch openssl perl lmdb
-    mime-types
+    mailcap
   ];
 
   nativeBuildInputs = [
@@ -47,10 +48,11 @@ in stdenv.mkDerivation rec {
         --replace http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd ${docbook_xml_dtd_42}/xml/dtd/docbook/docbookx.dtd
     done
 
+
     # allow neomutt to map attachments to their proper mime.types if specified wrongly
     # and use a far more comprehensive list than the one shipped with neomutt
     substituteInPlace sendlib.c \
-      --replace /etc/mime.types ${mime-types}/etc/mime.types
+      --replace /etc/mime.types ${mailcap}/etc/mime.types
 
     # The string conversion tests all fail with the first version of neomutt
     # that has tests (20180223) as well as 20180716 so we disable them for now.