diff --git a/pkgs/servers/matrix-synapse/matrix-appservice-irc/default.nix b/pkgs/servers/matrix-synapse/matrix-appservice-irc/default.nix
index 808e81370bb..ab92c29ee3d 100644
--- a/pkgs/servers/matrix-synapse/matrix-appservice-irc/default.nix
+++ b/pkgs/servers/matrix-synapse/matrix-appservice-irc/default.nix
@@ -10,6 +10,8 @@ let
   };
 in
 ourNodePackages."${packageName}".override {
+  pname = "matrix-appservice-irc";
+
   nativeBuildInputs = [ makeWrapper nodePackages.node-gyp-build ];
 
   postInstall = ''
diff --git a/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix b/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix
index 9d21065dc02..596739a45d7 100644
--- a/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix
+++ b/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix
@@ -13,6 +13,8 @@ let
   };
 in
 nodePackages.package.override {
+  pname = "matrix-appservice-slack";
+
   inherit src;
 
   nativeBuildInputs = [ pkgs.makeWrapper ];
diff --git a/pkgs/servers/mx-puppet-discord/default.nix b/pkgs/servers/mx-puppet-discord/default.nix
index b3b72c2c5f2..d2606148768 100644
--- a/pkgs/servers/mx-puppet-discord/default.nix
+++ b/pkgs/servers/mx-puppet-discord/default.nix
@@ -16,7 +16,10 @@ let
   };
 
 in myNodePackages.package.override {
+  pname = "mx-puppet-discord";
+
   inherit src;
+
   nativeBuildInputs = [ nodePackages.node-pre-gyp pkg-config ];
   buildInputs = [ libjpeg pixman cairo pango ];