diff --git a/yarn-project/foundation/src/log/logger.ts b/yarn-project/foundation/src/log/logger.ts
index 542b88a07d75..d008774f182e 100644
--- a/yarn-project/foundation/src/log/logger.ts
+++ b/yarn-project/foundation/src/log/logger.ts
@@ -43,7 +43,7 @@ export type DebugLogger = Logger;
  */
 
 
-export function createDebugLogger(name: string, taggedLogData?: JSON ): DebugLogger {
+export function createDebugLogger(name: string, taggedLogData?: LogData ): DebugLogger {
   const debugLogger = debug(name);
   if (currentLevel === 'debug') debugLogger.enabled = true;