diff --git a/packages/aws-cdk-lib/aws-lambda/lib/function.ts b/packages/aws-cdk-lib/aws-lambda/lib/function.ts
index 32e477f81f86b..45c67d9ea3d4b 100644
--- a/packages/aws-cdk-lib/aws-lambda/lib/function.ts
+++ b/packages/aws-cdk-lib/aws-lambda/lib/function.ts
@@ -1179,7 +1179,7 @@ export class Function extends FunctionBase {
     }
 
     if (props.applicationLogLevel || props.applicationLogLevelV2 || props.systemLogLevel || props.systemLogLevelV2) {
-      if (props.logFormat !== LoggingFormat.JSON && props.loggingFormat === undefined) {
+      if (props.logFormat !== LogFormat.JSON && props.loggingFormat === undefined) {
         throw new Error(`To use ApplicationLogLevel and/or SystemLogLevel you must set LogFormat to '${LogFormat.JSON}', got '${props.logFormat}'.`);
       }