diff --git a/src/Http/Controllers/Auth/PasswordResetLinkController.php b/src/Http/Controllers/Auth/PasswordResetLinkController.php
index 90e91aa..1f12fe5 100644
--- a/src/Http/Controllers/Auth/PasswordResetLinkController.php
+++ b/src/Http/Controllers/Auth/PasswordResetLinkController.php
@@ -21,8 +21,9 @@ public function create(): Response
 
     public function store(Request $request): RedirectResponse
     {
+        $connection = config('translations.database_connection');
         $request->validate([
-            'email' => 'required|email|exists:ltu_contributors,email',
+            'email' => 'required|email|exists:'.($connection ? $connection.'.' : '').'ltu_contributors,email',
         ]);
 
         $token = Str::random();
@@ -30,7 +31,8 @@ public function store(Request $request): RedirectResponse
         $user = Contributor::firstWhere('email', $request->email);
 
         if ($user) {
-            cache(["password.reset.$user->id" => $token],
+            cache(
+                ["password.reset.$user->id" => $token],
                 now()->addMinutes(60)
             );
 
diff --git a/src/Http/Controllers/ContributorController.php b/src/Http/Controllers/ContributorController.php
index c506902..8e2ef87 100644
--- a/src/Http/Controllers/ContributorController.php
+++ b/src/Http/Controllers/ContributorController.php
@@ -36,9 +36,10 @@ public function create(): Modal
 
     public function store(Request $request): RedirectResponse
     {
+        $connection = config('translations.database_connection');
         $request->validate([
             'role' => 'required|integer',
-            'email' => 'required|email|unique:ltu_contributors,email',
+            'email' => 'required|email|unique:'.($connection ? $connection.'.' : '').'ltu_contributors,email',
         ]);
 
         do {
diff --git a/src/Http/Controllers/ProfileController.php b/src/Http/Controllers/ProfileController.php
index cb8901c..29d5e94 100644
--- a/src/Http/Controllers/ProfileController.php
+++ b/src/Http/Controllers/ProfileController.php
@@ -21,9 +21,10 @@ public function edit(Request $request): Response
 
     public function update(Request $request): RedirectResponse
     {
+        $connection = config('translations.database_connection');
         $request->validate([
             'name' => ['required', 'max:255'],
-            'email' => ['required', 'string', 'lowercase', 'email', 'max:255', 'unique:ltu_contributors,email,'.$request->user()->id],
+            'email' => ['required', 'string', 'lowercase', 'email', 'max:255', 'unique:'.($connection ? $connection.'.' : '').'ltu_contributors,email,'.$request->user()->id],
         ]);
 
         $request->user()->update($request->only('name', 'email'));
diff --git a/src/Http/Controllers/SourcePhraseController.php b/src/Http/Controllers/SourcePhraseController.php
index 3e89cd7..dbe95d1 100644
--- a/src/Http/Controllers/SourcePhraseController.php
+++ b/src/Http/Controllers/SourcePhraseController.php
@@ -76,9 +76,10 @@ public function create(): Modal
 
     public function store(Request $request): RedirectResponse
     {
+        $connection = config('translations.database_connection');
         $request->validate([
             'key' => ['required', 'regex:/^[\w. ]+$/u'],
-            'file' => ['required', 'integer', 'exists:ltu_translation_files,id'],
+            'file' => ['required', 'integer', 'exists:'.($connection ? $connection.'.' : '').'ltu_translation_files,id'],
             'content' => ['required', 'string'],
         ]);
 
@@ -111,10 +112,11 @@ public function edit(Phrase $phrase): Response|RedirectResponse
 
     public function update(Phrase $phrase, Request $request): RedirectResponse
     {
+        $connection = config('translations.database_connection');
         $request->validate([
             'note' => 'nullable|string',
             'phrase' => 'required|string',
-            'file' => 'required|integer|exists:ltu_translation_files,id',
+            'file' => 'required|integer|exists:'.($connection ? $connection.'.' : '').'ltu_translation_files,id',
         ]);
 
         $phrase->update([