diff --git a/app/Jobs/ProcessPayments.php b/app/Jobs/ProcessPayments.php
index 3662a42..fe4deda 100644
--- a/app/Jobs/ProcessPayments.php
+++ b/app/Jobs/ProcessPayments.php
@@ -71,7 +71,10 @@ class ProcessPayments implements ShouldQueue
                 if (isset($get_transfers['in'])) {
                     foreach ($get_transfers['in'] as $transfer) {
                         $meme = Meme::where('address', $transfer['address'])->first();
-                        $tip_exists = Tip::where('txid', $transfer['txid'])->first();
+                        $tip_exists = Tip::where([
+                            'meme_id' => $meme->id,
+                            'txid' => $transfer['txid'],
+                        ])->first();
                         if ($meme && !$tip_exists) {
                             $tip = new Tip();
                             $tip->meme_id = $meme->id;
diff --git a/database/migrations/2021_09_27_233956_edit_tips_table.php b/database/migrations/2021_09_27_233956_edit_tips_table.php
new file mode 100644
index 0000000..5a8a420
--- /dev/null
+++ b/database/migrations/2021_09_27_233956_edit_tips_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class EditTipsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('tips', function (Blueprint $table) {
+            $table->dropUnique(['txid']);
+            $table->unique(['meme_id', 'txid']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('tips', function (Blueprint $table) {
+            $table->dropUnique(['meme_id', 'txid']);
+            $table->unique(['txid']);
+        });
+    }
+}