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;
 }