diff --git a/plugins/node/opentelemetry-instrumentation-aws-lambda/src/instrumentation.ts b/plugins/node/opentelemetry-instrumentation-aws-lambda/src/instrumentation.ts
index a050359aec..38904f1563 100644
--- a/plugins/node/opentelemetry-instrumentation-aws-lambda/src/instrumentation.ts
+++ b/plugins/node/opentelemetry-instrumentation-aws-lambda/src/instrumentation.ts
@@ -101,8 +101,8 @@ export class AwsLambdaInstrumentation extends InstrumentationBase {
 
     // _HANDLER and LAMBDA_TASK_ROOT are always defined in Lambda but guard bail out if in the future this changes.
     if (!taskRoot || !handlerDef) {
-      diag.debug(
-        'Unable to initialize instrumentation for lambda. Cannot identify lambda handler.'
+      diag.error(
+        'Unable to initialize instrumentation for lambda. Cannot identify lambda handler or task root.', {taskRoot, handlerDef}
       );
       return [];
     }
@@ -126,8 +126,7 @@ export class AwsLambdaInstrumentation extends InstrumentationBase {
       }
     }
 
-    diag.debug(
-      `Instrumenting lambda handler: ${JSON.stringify({
+    diag.debug("Instrumenting lambda handler", {
         taskRoot,
         handlerDef,
         handler,
@@ -135,8 +134,7 @@ export class AwsLambdaInstrumentation extends InstrumentationBase {
         module,
         filename,
         functionName,
-      })}`
-    );
+      });
 
     return [
       new InstrumentationNodeModuleDefinition(