diff --git a/pkgs/development/libraries/mlt/default.nix b/pkgs/development/libraries/mlt/default.nix
index 168b94495a97..6eee8df5a23e 100644
--- a/pkgs/development/libraries/mlt/default.nix
+++ b/pkgs/development/libraries/mlt/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, makeWrapper
+{ stdenv, fetchFromGitHub, fetchurl, makeWrapper
 , SDL, ffmpeg, frei0r, libjack2, libdv, libsamplerate
 , libvorbis, libxml2, movit, pkgconfig, sox
 , gtk2
@@ -15,6 +15,19 @@ stdenv.mkDerivation rec {
     sha256 = "0k9vj21n6qxdjd0vvj22cwi35igajjzh5fbjza766izdbijv2i2w";
   };
 
+  patches = [
+    # fix for glibc-2.26
+    (fetchurl {
+      url = "https://github.com/mltframework/mlt/commit/2125e3955a0d0be61571cf43b674f74b4b93c6f8.patch";
+      sha256 = "1bgs5a3dblsmdmb7hwval9nmq1as4r4f48b3amsc23v69nsl2g0a";
+    })
+    # fix for glibc-2.26
+    (fetchurl {
+      url = "https://github.com/mltframework/mlt/commit/fbf6a5187776f2f392cf258935ff49e4c0e87024.patch";
+      sha256 = "045vchpcznzsz47j67kxwdbg133kar66ssna3parnzrxdfqi72pv";
+    })
+  ];
+
   buildInputs = [
     SDL ffmpeg frei0r libjack2 libdv libsamplerate libvorbis libxml2
     makeWrapper movit pkgconfig sox
diff --git a/pkgs/development/libraries/mlt/qt-5.nix b/pkgs/development/libraries/mlt/qt-5.nix
index 1d56d58c68d3..35221c91aa70 100644
--- a/pkgs/development/libraries/mlt/qt-5.nix
+++ b/pkgs/development/libraries/mlt/qt-5.nix
@@ -11,6 +11,18 @@ stdenv.mkDerivation rec {
     url = "https://github.com/mltframework/mlt/archive/v${version}.tar.gz";
     sha256 = "10m3ry0b2pvqx3bk34qh5dq337nn8pkc2gzfyhsj4nv9abskln47";
   };
+  patches = [
+    # fix for glibc-2.26
+    (fetchurl {
+      url = "https://github.com/mltframework/mlt/commit/2125e3955a0d0be61571cf43b674f74b4b93c6f8.patch";
+      sha256 = "1bgs5a3dblsmdmb7hwval9nmq1as4r4f48b3amsc23v69nsl2g0a";
+    })
+    # fix for glibc-2.26
+    (fetchurl {
+      url = "https://github.com/mltframework/mlt/commit/fbf6a5187776f2f392cf258935ff49e4c0e87024.patch";
+      sha256 = "045vchpcznzsz47j67kxwdbg133kar66ssna3parnzrxdfqi72pv";
+    })
+  ];
 
   buildInputs = [
     SDL ffmpeg frei0r libjack2 libdv libsamplerate libvorbis libxml2
diff --git a/pkgs/os-specific/linux/ffado/default.nix b/pkgs/os-specific/linux/ffado/default.nix
index 1ca503f33ecd..aa273ec613ee 100644
--- a/pkgs/os-specific/linux/ffado/default.nix
+++ b/pkgs/os-specific/linux/ffado/default.nix
@@ -41,7 +41,10 @@ stdenv.mkDerivation rec {
     optXdg_utils libxmlxx glibmm
   ];
 
-  patches = [ ./gcc6.patch ];
+  patches = [
+    ./gcc6.patch
+    ./glibc226.patch
+  ];
 
   postPatch = ''
     # SConstruct checks cpuinfo and an objdump of /bin/mount to determine the appropriate arch
diff --git a/pkgs/os-specific/linux/ffado/glibc226.patch b/pkgs/os-specific/linux/ffado/glibc226.patch
new file mode 100644
index 000000000000..e147ee9aa76a
--- /dev/null
+++ b/pkgs/os-specific/linux/ffado/glibc226.patch
@@ -0,0 +1,10 @@
+--- libffado/src/libutil/PosixMessageQueue.cpp  (revision 2705)
++++ libffado/src/libutil/PosixMessageQueue.cpp  (revision 2706)
+@@ -30,6 +30,7 @@
+ #include <errno.h>
+ #include <string.h>
+ #include <poll.h>
++#include <signal.h>
+
+ #define MQ_INVALID_ID ((mqd_t) -1)
+ // one second