diff --git a/app/Http/Controllers/ExpenseController.php b/app/Http/Controllers/ExpenseController.php
index 39ef8de542fb..7e22973d81e3 100644
--- a/app/Http/Controllers/ExpenseController.php
+++ b/app/Http/Controllers/ExpenseController.php
@@ -169,6 +169,17 @@ class ExpenseController extends BaseController
         $data = $request->input();
         $data['documents'] = $request->file('documents');
 
+        // check for possible duplicate expense
+        $duplcate = Expense::scope()
+                    ->whereAmount($request->amount)
+                    ->whereExpenseDate(Utils::toSqlDate($request->expense_date))
+                    ->orderBy('created_at')
+                    ->first();
+        if ($duplcate) {
+            Session::flash('warning', trans('texts.duplicate_expense_warning',
+                ['link' => link_to($duplcate->present()->url, trans('texts.expense_link'), ['target' => '_blank'])]));
+        }
+
         $expense = $this->expenseService->save($data);
 
         Session::flash('message', trans('texts.created_expense'));
diff --git a/resources/lang/en/texts.php b/resources/lang/en/texts.php
index d971ac8ca07b..d0f72c5140ee 100644
--- a/resources/lang/en/texts.php
+++ b/resources/lang/en/texts.php
@@ -2249,7 +2249,9 @@ $LANG = array(
     'emailed_payment' => 'Successfully emailed payment',
     'email_payment' => 'Email Payment',
     'sent' => 'Sent',
-    'inoviceplane_import' => 'Use :link to migrate your data from InvoicePlane.',
+    'invoiceplane_import' => 'Use :link to migrate your data from InvoicePlane.',
+    'duplicate_expense_warning' => 'Warning: This :link may be a duplicate',
+    'expense_link' => 'expense',
 
 );
 
diff --git a/resources/views/accounts/import_export.blade.php b/resources/views/accounts/import_export.blade.php
index bdeacb076f48..2dc9e233e0e4 100644
--- a/resources/views/accounts/import_export.blade.php
+++ b/resources/views/accounts/import_export.blade.php
@@ -46,7 +46,7 @@
                     ]) !!}
         </div>
         <div id="inovicePlaneImport" style="display:none"><center>
-                {!! trans('texts.inoviceplane_import', ['link' => link_to(INVOICEPLANE_IMPORT, 'turbo124/Plane2Ninja', ['target' => '_blank'])]) !!}
+                {!! trans('texts.invoiceplane_import', ['link' => link_to(INVOICEPLANE_IMPORT, 'turbo124/Plane2Ninja', ['target' => '_blank'])]) !!}
         </center></div>
         <br/>