diff --git a/pkgs/applications/networking/instant-messengers/quaternion/default.nix b/pkgs/applications/networking/instant-messengers/quaternion/default.nix
index 9271dc6ba4d..8f18d25089c 100644
--- a/pkgs/applications/networking/instant-messengers/quaternion/default.nix
+++ b/pkgs/applications/networking/instant-messengers/quaternion/default.nix
@@ -37,6 +37,7 @@ let
   };
 
 in rec {
-  quaternion     = generic "0.0.9.4"     "12mkwiqqbi4774kwl7gha72jyf0jf547acy6rw8ry249zl4lja54" "" libqmatrixclient_0_5;
+  quaternion     = generic "0.0.9.4c"     "12mkwiqqbi4774kwl7gha72jyf0jf547acy6rw8ry249zl4lja54" "" libqmatrixclient_0_5;
+
   quaternion-git = quaternion;
 }
diff --git a/pkgs/development/libraries/libqmatrixclient/default.nix b/pkgs/development/libraries/libqmatrixclient/default.nix
index a81e4ff0780..f175bb6ea6d 100644
--- a/pkgs/development/libraries/libqmatrixclient/default.nix
+++ b/pkgs/development/libraries/libqmatrixclient/default.nix
@@ -12,6 +12,10 @@ let
       inherit sha256;
     };
 
+    postPatch = ''
+      sed -i -e '/example/Id' CMakeLists.txt
+    '';
+
     buildInputs = [ qtbase qtmultimedia ];
 
     nativeBuildInputs = [ cmake ];
@@ -27,6 +31,7 @@ let
 
 in rec {
   libqmatrixclient_0_4 = generic "0.4.2.1" "056hvp2m74wx72yd8vai18siddj9l8bhrvrkc4ia4cwjsqw02kid" "v";
-  libqmatrixclient_0_5 = generic "0.5.1.2" "0vvpm1vlqfvhgfvavifrj4998g8v33hp5xjf0n8zfsmg4lxlnfg1" "";
+  libqmatrixclient_0_5 = generic "0.5.2"   "1bhlqfs7251fss4icx794ka614npr6zyrpp4qwc4q5408ykfm7lr" "";
+
   libqmatrixclient = libqmatrixclient_0_4;
 }