diff --git a/bot.py b/bot.py
index f473dfc..069991a 100644
--- a/bot.py
+++ b/bot.py
@@ -1872,12 +1872,15 @@ class Bot:
                         from PIL import Image
                         vf = getattr(frame, 'frame', frame)
                         rgba = vf.convert(rtc.VideoBufferType.RGBA)
-                        img = Image.frombytes("RGBA", (rgba.width, rgba.height), bytes(rgba.data))
-                        buf = io.BytesIO()
-                        img.convert("RGB").save(buf, format="JPEG", quality=85)
-                        img_b64 = base64.b64encode(buf.getvalue()).decode()
-                        image_data = (img_b64, "image/jpeg")
-                        logger.info("Captured %dx%d frame from active call for text query", rgba.width, rgba.height)
+                        if rgba.width >= 64 and rgba.height >= 64:
+                            img = Image.frombytes("RGBA", (rgba.width, rgba.height), bytes(rgba.data))
+                            buf = io.BytesIO()
+                            img.convert("RGB").save(buf, format="JPEG", quality=85)
+                            img_b64 = base64.b64encode(buf.getvalue()).decode()
+                            image_data = (img_b64, "image/jpeg")
+                            logger.info("Captured %dx%d frame from active call for text query", rgba.width, rgba.height)
+                        else:
+                            logger.warning("Frame too small (%dx%d) — E2EE video decryption likely failed", rgba.width, rgba.height)
                 except Exception as exc:
                     logger.warning("Failed to capture frame from call: %s", exc)