diff --git a/src/java/org/apache/cassandra/tools/nodetool/stats/StatsKeyspace.java b/src/java/org/apache/cassandra/tools/nodetool/stats/StatsKeyspace.java
index 624f20bd52..f797b5edcb 100644
--- a/src/java/org/apache/cassandra/tools/nodetool/stats/StatsKeyspace.java
+++ b/src/java/org/apache/cassandra/tools/nodetool/stats/StatsKeyspace.java
@@ -74,13 +74,13 @@ public class StatsKeyspace
     {
         return readCount > 0
                ? totalReadTime / readCount / 1000
-               : Double.NaN;
+               : 0;
     }
 
     public double writeLatency()
     {
         return writeCount > 0
                ? totalWriteTime / writeCount / 1000
-               : Double.NaN;
+               : 0;
     }
 }