diff --git a/src/Mapless-Mongo-Tests/MaplessMongoTest.class.st b/src/Mapless-Mongo-Tests/MaplessMongoTest.class.st
index d7b35379..189fe1e8 100644
--- a/src/Mapless-Mongo-Tests/MaplessMongoTest.class.st
+++ b/src/Mapless-Mongo-Tests/MaplessMongoTest.class.st
@@ -651,5 +651,5 @@ MaplessMongoTest >> testUpsert [
 
 { #category : #actions }
 MaplessMongoTest >> waitABit [
-	10 milliseconds asDelay wait
+	10 milliSeconds asDelay wait
 ]