diff --git a/system/Database/BaseBuilder.php b/system/Database/BaseBuilder.php
index 3eb0aaaadc86..a7aabc7b97c8 100644
--- a/system/Database/BaseBuilder.php
+++ b/system/Database/BaseBuilder.php
@@ -737,7 +737,6 @@ protected function whereHaving(string $qbKey, $key, $value = null, string $type
             } else {
                 $keyValue = [(string) $key => $value];
             }
-            $escape = false;
         } elseif (! is_array($key)) {
             $keyValue = [$key => $value];
         } else {
diff --git a/tests/system/Database/Builder/WhereTest.php b/tests/system/Database/Builder/WhereTest.php
index 9a5b412adc99..a4b592ffd28c 100644
--- a/tests/system/Database/Builder/WhereTest.php
+++ b/tests/system/Database/Builder/WhereTest.php
@@ -189,6 +189,21 @@ public function testWhereValueRawSql()
         $this->assertSame($expected, $sql);
     }
 
+    public function testWhereKeyOnlyRawSql()
+    {
+        $sql = $this->db->table('auth_bearer')
+            ->select('*')
+            ->where(new RawSql('DATE_ADD(NOW(), INTERVAL 2 HOUR)'), '2023-01-01')
+            ->getCompiledSelect(true);
+
+        $expected = <<<'SQL'
+            SELECT *
+            FROM "auth_bearer"
+            WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) = '2023-01-01'
+            SQL;
+        $this->assertSame($expected, $sql);
+    }
+
     public function testWhereKeyAndValueRawSql()
     {
         $sql = $this->db->table('auth_bearer')