diff --git a/system/Database/BaseBuilder.php b/system/Database/BaseBuilder.php
index 9dbba3fa8db0..10f2e64b535b 100644
--- a/system/Database/BaseBuilder.php
+++ b/system/Database/BaseBuilder.php
@@ -813,8 +813,8 @@ protected function _whereIn($key = null, $values = null, $not = false, $type = '
 
 		$not = ($not) ? ' NOT' : '';
 
-		$where_in         = array_values($values);
-		$this->binds[$ok] = $where_in;
+		$where_in = array_values($values);
+		$ok       = $this->setBind($ok, $where_in);
 
 		$prefix = empty($this->QBWhere) ? $this->groupGetType('') : $this->groupGetType($type);
 
@@ -1444,6 +1444,7 @@ public function get(int $limit = null, int $offset = 0, $returnSQL = false, $res
 		{
 			$this->limit($limit, $offset);
 		}
+
 		$result = $returnSQL ? $this->getCompiledSelect() : $this->db->query($this->compileSelect(), $this->binds);
 
 		if ($reset === true)
@@ -2958,7 +2959,7 @@ protected function setBind(string $key, $value = null)
 
 		while (array_key_exists($key . $count, $this->binds))
 		{
-			++ $count;
+			++$count;
 		}
 
 		$this->binds[$key . $count] = $value;
diff --git a/tests/system/Database/Live/SelectTest.php b/tests/system/Database/Live/SelectTest.php
index d4c6331eb056..d6d45cb22e18 100644
--- a/tests/system/Database/Live/SelectTest.php
+++ b/tests/system/Database/Live/SelectTest.php
@@ -135,4 +135,42 @@ public function testSelectDistinctCanBeTurnedOff()
 	}
 
 	//--------------------------------------------------------------------
+
+	/**
+	 * @see https://github.com/codeigniter4/CodeIgniter4/issues/1226
+	 */
+	public function testSelectWithMultipleWheresOnSameColumn()
+	{
+		$users = $this->db->table('user')
+			->where('id', 1)
+			->orWhereIn('id', [2, 3])
+			->get()
+			->getResultArray();
+
+		$this->assertCount(3, $users);
+
+		foreach ($users as $user)
+		{
+			$this->assertTrue(in_array($user['id'], [1, 2, 3]));
+		}
+	}
+
+	/**
+	 * @see https://github.com/codeigniter4/CodeIgniter4/issues/1226
+	 */
+	public function testSelectWithMultipleWheresOnSameColumnAgain()
+	{
+		$users = $this->db->table('user')
+						  ->whereIn('id', [1, 2])
+						  ->orWhere('id', 3)
+						  ->get()
+						  ->getResultArray();
+
+		$this->assertCount(3, $users);
+
+		foreach ($users as $user)
+		{
+			$this->assertTrue(in_array($user['id'], [1, 2, 3]));
+		}
+	}
 }