diff --git a/app/images/providers.py b/app/images/providers.py
index 1c31479..db99b1f 100644
--- a/app/images/providers.py
+++ b/app/images/providers.py
@@ -77,7 +77,7 @@ def describe_scene(self, theme_body: str, tag_names: Sequence[str]) -> str:
             )
         except anthropic.APIError as e:
             logger.error("Claude visualizer API error: %s", e)
-            raise ImageGenerationError(f"Visualizer error: {e}") from e
+            raise ImageGenerationError(f"Visualizer error: {e.message}") from e
 
         if not response.content:
             raise ImageGenerationError("Visualizer returned empty response")