diff --git a/packages/client/lib/commands/generic-transformers.ts b/packages/client/lib/commands/generic-transformers.ts
index 91008d013e..50fa903ea1 100644
--- a/packages/client/lib/commands/generic-transformers.ts
+++ b/packages/client/lib/commands/generic-transformers.ts
@@ -42,6 +42,7 @@ export const transformDoubleReply = {
         return -Infinity;
 
       case 'nan':
+        return NaN;
   
       default:
         return Number(reply);