diff --git a/lib/crewai/src/crewai/telemetry/telemetry.py b/lib/crewai/src/crewai/telemetry/telemetry.py
index 848ba11330..84e089a093 100644
--- a/lib/crewai/src/crewai/telemetry/telemetry.py
+++ b/lib/crewai/src/crewai/telemetry/telemetry.py
@@ -392,9 +392,7 @@ def _operation() -> None:
                 self._add_attribute(span, "platform_system", platform.system())
                 self._add_attribute(span, "platform_version", platform.version())
                 self._add_attribute(span, "cpus", os.cpu_count())
-                self._add_attribute(
-                    span, "crew_inputs", json.dumps(inputs) if inputs else None
-                )
+                self._add_attribute(span, "crew_inputs", json.dumps(inputs or {}))
             else:
                 self._add_attribute(
                     span,
@@ -707,9 +705,7 @@ def _operation() -> None:
             self._add_attribute(span, "model_name", model_name)
 
             if crew.share_crew:
-                self._add_attribute(
-                    span, "inputs", json.dumps(inputs) if inputs else None
-                )
+                self._add_attribute(span, "inputs", json.dumps(inputs or {}))
 
             close_span(span)
 
@@ -814,9 +810,7 @@ def _operation() -> Span:
             add_crew_attributes(
                 span, crew, self._add_attribute, include_fingerprint=False
             )
-            self._add_attribute(
-                span, "crew_inputs", json.dumps(inputs) if inputs else None
-            )
+            self._add_attribute(span, "crew_inputs", json.dumps(inputs or {}))
             self._add_attribute(
                 span,
                 "crew_agents",