diff --git a/app/Factory/TagFactory.php b/app/Factory/TagFactory.php
index b3a0e376e7..bd83716720 100644
--- a/app/Factory/TagFactory.php
+++ b/app/Factory/TagFactory.php
@@ -78,7 +78,7 @@ class TagFactory
             'user_id'       => $this->user->id,
             'user_group_id' => $this->userGroup->id,
             'tag'           => trim((string) $data['tag']),
-            'tagMode'       => 'nothing',
+            'tag_mode'       => 'nothing',
             'date'          => $data['date'],
             'description'   => $data['description'],
             'latitude'      => null,
diff --git a/app/Models/Tag.php b/app/Models/Tag.php
index 6a740a3730..3af4799730 100644
--- a/app/Models/Tag.php
+++ b/app/Models/Tag.php
@@ -40,7 +40,7 @@ class Tag extends Model
     use ReturnsIntegerUserIdTrait;
     use SoftDeletes;
 
-    protected $fillable = ['user_id', 'user_group_id', 'tag', 'date', 'date_tz', 'description', 'tagMode'];
+    protected $fillable = ['user_id', 'user_group_id', 'tag', 'date', 'date_tz', 'description', 'tag_mode'];
 
     protected $hidden   = ['zoomLevel', 'latitude', 'longitude'];
 
diff --git a/database/migrations/2025_07_10_065736_rename_tag_mode.php b/database/migrations/2025_07_10_065736_rename_tag_mode.php
new file mode 100644
index 0000000000..26efd17a93
--- /dev/null
+++ b/database/migrations/2025_07_10_065736_rename_tag_mode.php
@@ -0,0 +1,47 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        try {
+            // normal case
+            Schema::table('tags', static function (Blueprint $table): void {
+                if (Schema::hasColumn('tags', 'tagMode') && !Schema::hasColumn('piggy_banks', 'tag_mode')) {
+                    $table->renameColumn('tagMode', 'tag_mode');
+                }
+            });
+            // lower case just in case (haha)
+            Schema::table('tags', static function (Blueprint $table): void {
+                if (Schema::hasColumn('tags', 'tagmode') && !Schema::hasColumn('piggy_banks', 'tag_mode')) {
+                    $table->renameColumn('tagmode', 'tag_mode');
+                }
+            });
+        } catch (RuntimeException $e) {
+            Log::error(sprintf('Could not rename column: %s', $e->getMessage()));
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        try {
+            Schema::table('tags', static function (Blueprint $table): void {
+                if (Schema::hasColumn('tags', 'tag_mode') && !Schema::hasColumn('piggy_banks', 'tagMode')) {
+                    $table->renameColumn('tag_mode', 'tagMode');
+                }
+            });
+        } catch (RuntimeException $e) {
+            Log::error(sprintf('Could not rename column: %s', $e->getMessage()));
+        }
+    }
+};
diff --git a/resources/lang/en_US/form.php b/resources/lang/en_US/form.php
index 11f4f95dac..1a904a6d1b 100644
--- a/resources/lang/en_US/form.php
+++ b/resources/lang/en_US/form.php
@@ -64,7 +64,7 @@ return [
     'budget_id'                    => 'Budget',
     'bill_id'                      => 'Subscription',
     'opening_balance'              => 'Opening balance',
-    'tagMode'                      => 'Tag mode',
+    'tag_mode'                      => 'Tag mode',
     'virtual_balance'              => 'Virtual balance',
 
 
diff --git a/resources/views/accounts/reconcile/show.twig b/resources/views/accounts/reconcile/show.twig
index dd503dec9c..bbcaaff3a1 100644
--- a/resources/views/accounts/reconcile/show.twig
+++ b/resources/views/accounts/reconcile/show.twig
@@ -82,13 +82,13 @@
                                     {% for tag in journal.tags %}
 
                                         <h4 style="display: inline;"><a class="label label-success" href="{{ route('tags.show',tag) }}">
-                                                {% if tag.tagMode == 'nothing' %}
+                                                {% if tag.tag_mode == 'nothing' %}
                                                     <span class="fa fa-fw fa-tag"></span>
                                                 {% endif %}
-                                                {% if tag.tagMode == 'balancingAct' %}
+                                                {% if tag.tag_mode == 'balancingAct' %}
                                                     <span class="fa fa-fw fa-refresh"></span>
                                                 {% endif %}
-                                                {% if tag.tagMode == 'advancePayment' %}
+                                                {% if tag.tag_mode == 'advancePayment' %}
                                                     <span class="fa fa-fw fa-sort-numeric-desc"></span>
                                                 {% endif %}
                                                 {{ tag.tag }}</a>