diff --git a/optimum/utils/normalized_config.py b/optimum/utils/normalized_config.py
index 21470cb61f..c1a1c8b60b 100644
--- a/optimum/utils/normalized_config.py
+++ b/optimum/utils/normalized_config.py
@@ -128,9 +128,15 @@ class NormalizedTextAndVisionConfig(NormalizedTextConfig, NormalizedVisionConfig
 
     def __getattr__(self, attr_name):
         if self.TEXT_CONFIG is not None and attr_name.upper() in dir(NormalizedTextConfig):
-            attr_name = f"{self.TEXT_CONFIG}.{attr_name}"
+            # Resolve through the normalized name (e.g. NUM_LAYERS -> "num_hidden_layers")
+            # before prefixing, not the raw accessor name - otherwise an accessor whose
+            # normalized name differs from its underlying config attribute (num_layers vs.
+            # num_hidden_layers) looks up the wrong name on the nested sub-config.
+            mapped_name = getattr(self, attr_name.upper(), attr_name)
+            attr_name = f"{self.TEXT_CONFIG}.{mapped_name}"
         elif self.VISION_CONFIG is not None and attr_name.upper() in dir(NormalizedVisionConfig):
-            attr_name = f"{self.VISION_CONFIG}.{attr_name}"
+            mapped_name = getattr(self, attr_name.upper(), attr_name)
+            attr_name = f"{self.VISION_CONFIG}.{mapped_name}"
         return super().__getattr__(attr_name)
 
 
@@ -235,7 +241,6 @@ class NormalizedConfigManager:
         'levit',
         'mobilebert',
         'mobilevit',
-        'owlv2',
         'owlvit',
         'perceiver',
         'roformer',
@@ -292,6 +297,7 @@ class NormalizedConfigManager:
         "olmo": NormalizedTextConfig,
         "olmo2": NormalizedTextConfig,
         "opt": NormalizedTextConfig,
+        "owlv2": Pix2StructNormalizedTextConfig,
         "pegasus": BartLikeNormalizedTextConfig,
         "pix2struct": Pix2StructNormalizedTextConfig,
         "phi": NormalizedTextConfig,
diff --git a/tests/utils/test_normalized_config.py b/tests/utils/test_normalized_config.py
new file mode 100644
index 0000000000..0084c496d1
--- /dev/null
+++ b/tests/utils/test_normalized_config.py
@@ -0,0 +1,48 @@
+# coding=utf-8
+# Copyright 2022 The HuggingFace Team. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+
+from transformers import Owlv2Config, Pix2StructConfig
+
+from optimum.utils.normalized_config import NormalizedConfigManager, Pix2StructNormalizedTextConfig
+
+
+class NormalizedConfigManagerTest(unittest.TestCase):
+    def test_owlv2_is_registered(self):
+        config_class = NormalizedConfigManager.get_normalized_config_class("owlv2")
+        self.assertIs(config_class, Pix2StructNormalizedTextConfig)
+
+    def test_owlv2_normalizes_expected_attributes(self):
+        # Same dual text/vision encoder shape as GroupViT/OwlViT/Pix2Struct. OwlV2's
+        # text_config only has num_hidden_layers, not a num_layers alias, so this
+        # also exercises the NormalizedTextAndVisionConfig.__getattr__ fix.
+        config = Owlv2Config()
+        normalized_config_class = NormalizedConfigManager.get_normalized_config_class("owlv2")
+        normalized_config = normalized_config_class(config)
+
+        self.assertEqual(normalized_config.hidden_size, config.text_config.hidden_size)
+        self.assertEqual(normalized_config.num_attention_heads, config.text_config.num_attention_heads)
+        self.assertEqual(normalized_config.num_layers, config.text_config.num_hidden_layers)
+        self.assertEqual(normalized_config.image_size, config.vision_config.image_size)
+        self.assertEqual(normalized_config.num_channels, config.vision_config.num_channels)
+
+    def test_pix2struct_num_layers_unaffected(self):
+        config = Pix2StructConfig()
+        normalized_config = Pix2StructNormalizedTextConfig(config)
+
+        self.assertEqual(normalized_config.num_layers, config.text_config.num_layers)
+        self.assertEqual(normalized_config.hidden_size, config.text_config.hidden_size)
+        self.assertEqual(normalized_config.num_attention_heads, config.text_config.num_attention_heads)