diff --git a/core/lib/Drupal/Core/Database/Query/Condition.php b/core/lib/Drupal/Core/Database/Query/Condition.php
index 24a3582..9fe5b7f 100644
--- a/core/lib/Drupal/Core/Database/Query/Condition.php
+++ b/core/lib/Drupal/Core/Database/Query/Condition.php
@@ -191,7 +191,7 @@ public function compile(Connection $connection, PlaceholderInterface $queryPlace
         }
         else {
           // Left hand part is a normal field. Add it as is.
-          $field_fragment = $condition['field'];
+          $field_fragment = $connection->escapeField($condition['field']);
           $ignore_operator = FALSE;
         }

diff --git a/core/tests/Drupal/Tests/Core/Database/ConditionTest.php b/core/tests/Drupal/Tests/Core/Database/ConditionTest.php
index fd847b3..4e1c4e6 100644
--- a/core/tests/Drupal/Tests/Core/Database/ConditionTest.php
+++ b/core/tests/Drupal/Tests/Core/Database/ConditionTest.php
@@ -16,11 +16,26 @@
 class ConditionTest extends UnitTestCase {

   /**
+   * Provides a list of known operations and the expected output.
+   *
+   * @return array
+   *   - Expected result for the string version of the condition.
+   *   - The field name to input in the condition.
+   */
+  public function providerSimpleCondition() {
+    return [
+      ['name = :db_condition_placeholder_0', 'name'],
+      ['name123 = :db_condition_placeholder_0', 'name-123'],
+    ];
+  }
+
+  /**
    * @covers ::compile
+   * @dataProvider providerSimpleCondition()
    */
-  public function testSimpleCondition() {
+  public function testSimpleCondition($expected, $field_name) {
     $connection = $this->prophesize(Connection::class);
-    $connection->escapeField('name')->will(function ($args) {
+    $connection->escapeField($field_name)->will(function ($args) {
       return preg_replace('/[^A-Za-z0-9_.]+/', '', $args[0]);
     });
     $connection->mapConditionOperator('=')->willReturn(['operator' => '=']);
@@ -36,10 +51,10 @@ public function testSimpleCondition() {
     $query_placeholder = $query_placeholder->reveal();

     $condition = new Condition('AND');
-    $condition->condition('name', ['value']);
+    $condition->condition($field_name, ['value']);
     $condition->compile($connection, $query_placeholder);

-    $this->assertEquals('name = :db_condition_placeholder_0', $condition->__toString());
+    $this->assertEquals($expected, $condition->__toString());
     $this->assertEquals([':db_condition_placeholder_0' => 'value'], $condition->arguments());
   }