diff --git a/lib/streaming_providers/providers/rtlplus/channel_manager.py b/lib/streaming_providers/providers/rtlplus/channel_manager.py
index 4fb64ba..df51878 100644
--- a/lib/streaming_providers/providers/rtlplus/channel_manager.py
+++ b/lib/streaming_providers/providers/rtlplus/channel_manager.py
@@ -16,6 +16,7 @@ from datetime import date
 from .layout_helpers import unwrap_target, build_image_url
 from ...base.models import Channel, DRMConfig
 from ...base.utils.logger import logger
+from .constants import RTLPlusDefaults
 
 
 class RTLPlusChannelManager:
@@ -157,7 +158,7 @@ class RTLPlusChannelManager:
             )
 
             # Set logo URL
-            streaming_channel.logo_url = build_image_url(logo_id) if logo_id else ""
+            streaming_channel.logo_url = build_image_url(logo_id, RTLPlusDefaults.IMAGE_PARAMS_LOGO) if logo_id else ""
 
             # Store SEO in manifest_script for fallback lookups
             if seo:
diff --git a/lib/streaming_providers/providers/rtlplus/constants.py b/lib/streaming_providers/providers/rtlplus/constants.py
index 9ac493f..a7c60cb 100644
--- a/lib/streaming_providers/providers/rtlplus/constants.py
+++ b/lib/streaming_providers/providers/rtlplus/constants.py
@@ -69,6 +69,7 @@ class RTLPlusDefaults:
     # Image CDN
     IMAGE_BASE_URL = "https://images-fio.rtlde.bedrock.tech/v2/images"
     IMAGE_PARAMS = "auto=webp&blur=0&fit=scale_crop&height=320&interlace=1&optimize=high&width=213"
+    IMAGE_PARAMS_LOGO = "auto=avif&blur=0&fit=scale_crop&height=1080&interlace=1&optimize=high&width=1080"
     IMAGE_SIGNING_KEY = "x9vGg4RNeNBqV2nBfhqLV6cN4n"
 
     # Anonymous credentials (fallback)
diff --git a/lib/streaming_providers/providers/rtlplus/layout_helpers.py b/lib/streaming_providers/providers/rtlplus/layout_helpers.py
index 4b38f24..0713576 100644
--- a/lib/streaming_providers/providers/rtlplus/layout_helpers.py
+++ b/lib/streaming_providers/providers/rtlplus/layout_helpers.py
@@ -128,7 +128,7 @@ def parse_german_datetime(text: str) -> Optional[datetime]:
 # Signed image URL construction
 # ---------------------------------------------------------------------------
 
-def build_image_url(image_id: str) -> str:
+def build_image_url(image_id: str, params: str = None) -> str:
     """
     Build a signed Bedrock CDN image URL for the given image ID.
 
@@ -139,11 +139,14 @@ def build_image_url(image_id: str) -> str:
 
     Args:
         image_id: The raw image ID returned by the Bedrock API.
+        params:   Optional query-string overriding ``RTLPlusDefaults.IMAGE_PARAMS``.
+                  Use ``RTLPlusDefaults.IMAGE_PARAMS_LOGO`` for square channel logos.
 
     Returns:
         A fully-qualified, signed image URL.
     """
-    suffix = f"/{image_id}/raw?{RTLPlusDefaults.IMAGE_PARAMS}"
+    image_params = params if params is not None else RTLPlusDefaults.IMAGE_PARAMS
+    suffix = f"/{image_id}/raw?{image_params}"
     signed_path = f"/v2/images{suffix}"
     image_hash = hashlib.sha1(
         (signed_path + RTLPlusDefaults.IMAGE_SIGNING_KEY).encode()