diff --git a/litellm/litellm_core_utils/prompt_templates/image_handling.py b/litellm/litellm_core_utils/prompt_templates/image_handling.py
index bcdfc70c1a..019696b92f 100644
--- a/litellm/litellm_core_utils/prompt_templates/image_handling.py
+++ b/litellm/litellm_core_utils/prompt_templates/image_handling.py
@@ -33,7 +33,7 @@ def _process_image_response(response: Response, url: str) -> str:
     img_type = response.headers.get("Content-Type")
     if img_type not in img_type_map:
         _img_type = url.split('?')[0].split(".")[-1].lower()
-        img_type = img_type_map.get(img_type)
+        img_type = img_type_map.get(_img_type)
         if img_type is None:
             raise Exception(
                 f"Error: Unsupported image format. Format={_img_type}. Supported types = ['image/jpeg', 'image/png', 'image/gif', 'image/webp']"
diff --git a/tests/llm_translation/test_prompt_factory.py b/tests/llm_translation/test_prompt_factory.py
index 5831d7a3ec..f6832c320f 100644
--- a/tests/llm_translation/test_prompt_factory.py
+++ b/tests/llm_translation/test_prompt_factory.py
@@ -28,7 +28,7 @@ from litellm.litellm_core_utils.prompt_templates.common_utils import (
 from litellm.llms.vertex_ai.gemini.transformation import (
     _gemini_convert_messages_with_history,
 )
-from unittest.mock import AsyncMock, MagicMock, patch
+from unittest.mock import AsyncMock, MagicMock, Mock, patch
 
 
 def test_llama_3_prompt():
@@ -191,6 +191,18 @@ def test_convert_url_to_img():
 
     assert "image/jpeg" in response_url
 
+def test_convert_url_with_wrong_cotent_type_to_img():
+    mock_response = Mock()
+    mock_response.content = b'mock_image_data'
+    mock_response.headers = {'Content-Type': ''}
+    mock_response.status_code = 200
+    with patch('httpx.Client.get', return_value=mock_response):
+        response_url = convert_url_to_base64(
+            url="https://images.pexels.com/photos/1319515/pexels-photo-1319515.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1"
+        )
+
+    assert "image/jpeg" in response_url
+
 
 @pytest.mark.parametrize(
     "url, expected_media_type",