diff --git a/src/crewai/tools/tool_usage.py b/src/crewai/tools/tool_usage.py
index d4d128dbde..b1b241aa09 100644
--- a/src/crewai/tools/tool_usage.py
+++ b/src/crewai/tools/tool_usage.py
@@ -369,7 +369,7 @@ def _validate_tool_input(self, tool_input: str) -> str:
                     formatted_value = value.lower()
                 else:
                     # Assume the value is a string and needs quotes
-                    formatted_value = '"' + value.replace('"', '\\"') + '"'
+                    formatted_value = '"' + value.strip('"').replace('"', '\\"') + '"'
 
                 # Rebuild the entry with proper quoting
                 formatted_entry = f'"{key}": {formatted_value}'