diff --git a/src/QueryBuilder.php b/src/QueryBuilder.php
index b2ec554..d692890 100644
--- a/src/QueryBuilder.php
+++ b/src/QueryBuilder.php
@@ -448,7 +448,7 @@ public function set( $args ) {
 			$statement              = $key === 'raw'
 				? [ $arg_value ]
 				: [
-					sprintf( '%s', $key ),
+					sprintf( '`%s`', $key ),
 					'=',
 					is_array( $value ) && array_key_exists( 'raw', $value )
 						? $value['raw']
@@ -493,7 +493,7 @@ public function values( $args ) {
 				$arg_value = $this->sanitize_value( $sanitize_callback, $arg_value );
 			}
 
-			$preparedKey = sprintf( '%s', $key );
+			$preparedKey = sprintf( '`%s`', $key );
 
 			if ( is_array( $value ) && array_key_exists( 'raw', $value ) ) {
 				$this->builder['values'][ $preparedKey ] = $value['raw'];
diff --git a/tests/cases/QueryBuilderOperationsTest.php b/tests/cases/QueryBuilderOperationsTest.php
index d65c226..2af1382 100644
--- a/tests/cases/QueryBuilderOperationsTest.php
+++ b/tests/cases/QueryBuilderOperationsTest.php
@@ -302,7 +302,7 @@ public function testUpdate()
         $this->assertIsBool( $var );
         $this->assertTrue( $var );
         $this->assertEquals(
-            'UPDATE prefix_up SET a = %s',
+            'UPDATE prefix_up SET `a` = %s',
             $wpdb->get_query()
         );
     }
diff --git a/tests/cases/QueryBuilderStatementsTest.php b/tests/cases/QueryBuilderStatementsTest.php
index 13892cc..21d5511 100644
--- a/tests/cases/QueryBuilderStatementsTest.php
+++ b/tests/cases/QueryBuilderStatementsTest.php
@@ -1006,7 +1006,7 @@ public function testUpdateSetTypes()
             ->update();
         // Assert
         $this->assertEquals(
-            'UPDATE prefix_set1 SET a = %s,b = %d,c = null,d = \'7,8\'',
+            'UPDATE prefix_set1 SET `a` = %s,`b` = %d,`c` = null,`d` = \'7,8\'',
             $wpdb->get_query()
         );
     }
@@ -1034,7 +1034,7 @@ public function testUpdateSetRaw()
             ->update();
         // Assert
         $this->assertEquals(
-            'UPDATE prefix_set2 SET c = 1,b = c+1',
+            'UPDATE prefix_set2 SET c = 1,`b` = c+1',
             $wpdb->get_query()
         );
     }
@@ -1062,7 +1062,7 @@ public function testUpdateSetForceString()
             ->update();
         // Assert
         $this->assertEquals(
-            'UPDATE prefix_set2 SET a = %s',
+            'UPDATE prefix_set2 SET `a` = %s',
             $wpdb->get_query()
         );
     }
@@ -1098,7 +1098,7 @@ public function testUpdateJoinWhere()
             ->update();
         // Assert
         $this->assertEquals(
-            'UPDATE prefix_u1,prefix_u2 JOIN prefix_u2 ON u1.id = u2.id SET u1.title = u2.title,u1.parent = %s WHERE u1.status = %s',
+            'UPDATE prefix_u1,prefix_u2 JOIN prefix_u2 ON u1.id = u2.id SET u1.title = u2.title,`u1.parent` = %s WHERE u1.status = %s',
             $wpdb->get_query()
         );
     }
diff --git a/tests/cases/TraitModelTest.php b/tests/cases/TraitModelTest.php
index 57171d0..5d11179 100644
--- a/tests/cases/TraitModelTest.php
+++ b/tests/cases/TraitModelTest.php
@@ -130,7 +130,7 @@ public function testUpdate()
         $this->assertIsBool( $flag );
         $this->assertTrue( $flag );
         $this->assertEquals(
-            'UPDATE prefix_' . Model::TABLE . ' SET status = %s',
+            'UPDATE prefix_' . Model::TABLE . ' SET `status` = %s',
             $wpdb->get_query()
         );
     }
@@ -149,7 +149,7 @@ public function testUpdateWhere()
         $flag = Model::update_all( ['status' => 'active'], ['type' => 'yolo'] );
         // Assert
         $this->assertEquals(
-            'UPDATE prefix_' . Model::TABLE . ' SET status = %s WHERE type = %s',
+            'UPDATE prefix_' . Model::TABLE . ' SET `status` = %s WHERE type = %s',
             $wpdb->get_query()
         );
     }