diff --git a/nixos/modules/services/matrix/appservice-discord.nix b/nixos/modules/services/matrix/appservice-discord.nix
index f579c2529c0a..6ce8718c35d8 100644
--- a/nixos/modules/services/matrix/appservice-discord.nix
+++ b/nixos/modules/services/matrix/appservice-discord.nix
@@ -100,9 +100,9 @@ in {
 
       serviceDependencies = mkOption {
         type = with types; listOf str;
-        default = optional config.services.matrix-synapse.enable "matrix-synapse.service";
+        default = optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit;
         defaultText = literalExpression ''
-          optional config.services.matrix-synapse.enable "matrix-synapse.service"
+          optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit
         '';
         description = lib.mdDoc ''
           List of Systemd services to require and wait for when starting the application service,
diff --git a/nixos/modules/services/matrix/matrix-sliding-sync.nix b/nixos/modules/services/matrix/matrix-sliding-sync.nix
index 7caac6038292..9807cde40919 100644
--- a/nixos/modules/services/matrix/matrix-sliding-sync.nix
+++ b/nixos/modules/services/matrix/matrix-sliding-sync.nix
@@ -83,7 +83,7 @@ in
     systemd.services.matrix-sliding-sync = rec {
       after =
         lib.optional cfg.createDatabase "postgresql.service"
-        ++ lib.optional config.services.matrix-synapse.enable "matrix-synapse.service";
+        ++ lib.optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit;
       wants = after;
       wantedBy = [ "multi-user.target" ];
       environment = cfg.settings;
diff --git a/nixos/modules/services/matrix/mautrix-facebook.nix b/nixos/modules/services/matrix/mautrix-facebook.nix
index bab6865496dd..671040500df8 100644
--- a/nixos/modules/services/matrix/mautrix-facebook.nix
+++ b/nixos/modules/services/matrix/mautrix-facebook.nix
@@ -145,7 +145,7 @@ in {
       wantedBy = [ "multi-user.target" ];
       wants = [
         "network-online.target"
-      ] ++ optional config.services.matrix-synapse.enable "matrix-synapse.service"
+      ] ++ optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit
         ++ optional cfg.configurePostgresql "postgresql.service";
       after = wants;
 
diff --git a/nixos/modules/services/matrix/mautrix-telegram.nix b/nixos/modules/services/matrix/mautrix-telegram.nix
index 97a6ba858e00..168c8bf436ac 100644
--- a/nixos/modules/services/matrix/mautrix-telegram.nix
+++ b/nixos/modules/services/matrix/mautrix-telegram.nix
@@ -122,9 +122,9 @@ in {
 
       serviceDependencies = mkOption {
         type = with types; listOf str;
-        default = optional config.services.matrix-synapse.enable "matrix-synapse.service";
+        default = optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit;
         defaultText = literalExpression ''
-          optional config.services.matrix-synapse.enable "matrix-synapse.service"
+          optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit
         '';
         description = lib.mdDoc ''
           List of Systemd services to require and wait for when starting the application service.
diff --git a/nixos/modules/services/matrix/mautrix-whatsapp.nix b/nixos/modules/services/matrix/mautrix-whatsapp.nix
index c4dc48213495..4b561a4b07a3 100644
--- a/nixos/modules/services/matrix/mautrix-whatsapp.nix
+++ b/nixos/modules/services/matrix/mautrix-whatsapp.nix
@@ -100,9 +100,9 @@ in {
 
     serviceDependencies = lib.mkOption {
       type = with lib.types; listOf str;
-      default = lib.optional config.services.matrix-synapse.enable "matrix-synapse.service";
+      default = lib.optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit;
       defaultText = lib.literalExpression ''
-        optional config.services.matrix-synapse.enable "matrix-synapse.service"
+        optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnits
       '';
       description = lib.mdDoc ''
         List of Systemd services to require and wait for when starting the application service.
diff --git a/nixos/modules/services/matrix/mx-puppet-discord.nix b/nixos/modules/services/matrix/mx-puppet-discord.nix
index 36c9f8b122ea..70828804b556 100644
--- a/nixos/modules/services/matrix/mx-puppet-discord.nix
+++ b/nixos/modules/services/matrix/mx-puppet-discord.nix
@@ -66,9 +66,9 @@ in {
       };
       serviceDependencies = mkOption {
         type = with types; listOf str;
-        default = optional config.services.matrix-synapse.enable "matrix-synapse.service";
+        default = optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit;
         defaultText = literalExpression ''
-          optional config.services.matrix-synapse.enable "matrix-synapse.service"
+          optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit
         '';
         description = lib.mdDoc ''
           List of Systemd services to require and wait for when starting the application service.