diff --git a/src/crewai/tools/tool_usage.py b/src/crewai/tools/tool_usage.py
index eb8cf88e3..8c6862e0d 100644
--- a/src/crewai/tools/tool_usage.py
+++ b/src/crewai/tools/tool_usage.py
@@ -168,6 +168,7 @@ class ToolUsage:
 
         started_at = time.time()
         from_cache = False
+        result = None  # type: ignore
 
         if self.tools_handler and self.tools_handler.cache:
             result = self.tools_handler.cache.read(