diff --git a/ndbench-core/src/main/java/com/netflix/ndbench/core/config/IConfiguration.java b/ndbench-core/src/main/java/com/netflix/ndbench/core/config/IConfiguration.java
index <HASH>..<HASH> 100644
--- a/ndbench-core/src/main/java/com/netflix/ndbench/core/config/IConfiguration.java
+++ b/ndbench-core/src/main/java/com/netflix/ndbench/core/config/IConfiguration.java
@@ -119,7 +119,7 @@ public interface IConfiguration {
      * grows larger than 1% auto tune triggered rate increases will cease.
      *
      */
-    @DefaultValue("0.01F")
+    @DefaultValue("0.01")
     Float getAutoTuneWriteFailureRatioThreshold();
 
 }
take off "F" from floating pnt constant for fast prop