diff --git a/src/main/scala/algoliasearch/search/Log.scala b/src/main/scala/algoliasearch/search/Log.scala
index 8a7985cc..b5b3ac97 100644
--- a/src/main/scala/algoliasearch/search/Log.scala
+++ b/src/main/scala/algoliasearch/search/Log.scala
@@ -78,7 +78,7 @@ case class Log(
     ip: String,
     queryHeaders: String,
     sha1: String,
-    nbApiCalls: String,
+    nbApiCalls: Option[String] = scala.None,
     processingTimeMs: String,
     index: Option[String] = scala.None,
     queryParams: Option[String] = scala.None,