diff --git a/tools/vision_tools.py b/tools/vision_tools.py
index c1b09a22d..264532e9a 100644
--- a/tools/vision_tools.py
+++ b/tools/vision_tools.py
@@ -354,6 +354,7 @@ async def vision_analyze_tool(
         # Prepare error response
         result = {
             "success": False,
+            "error": error_msg,
             "analysis": analysis,
         }