diff --git a/freepik_cli/api/videos.py b/freepik_cli/api/videos.py
index d3b01dc..685fc57 100644
--- a/freepik_cli/api/videos.py
+++ b/freepik_cli/api/videos.py
@@ -32,6 +32,10 @@ class VideoAPI:
         seed: Optional[int] = None,
     ) -> str:
         """Submit an image-to-video task. Returns task_id."""
+        # Video API expects raw base64, not a data URI
+        if ";base64," in image_b64:
+            image_b64 = image_b64.split(";base64,", 1)[1]
+
         image_field = VIDEO_IMAGE_FIELDS[model]
 
         # kling-elements uses an array; all others use a scalar