diff --git a/core/java/src/net/i2p/stat/PersistenceHelper.java b/core/java/src/net/i2p/stat/PersistenceHelper.java
index 556dea16c..813268899 100644
--- a/core/java/src/net/i2p/stat/PersistenceHelper.java
+++ b/core/java/src/net/i2p/stat/PersistenceHelper.java
@@ -10,13 +10,13 @@ class PersistenceHelper {
     private final static String NL = System.getProperty("line.separator");
 
     public final static void add(StringBuffer buf, String prefix, String name, String description, double value) {
-        buf.append("# ").append(prefix.toUpperCase()).append(name.toUpperCase()).append(NL);
+        buf.append("# ").append(prefix).append(name).append(NL);
         buf.append("# ").append(description).append(NL);
         buf.append(prefix).append(name).append('=').append(value).append(NL).append(NL);
     }
 
     public final static void add(StringBuffer buf, String prefix, String name, String description, long value) {
-        buf.append("# ").append(prefix.toUpperCase()).append(name.toUpperCase()).append(NL);
+        buf.append("# ").append(prefix).append(name).append(NL);
         buf.append("# ").append(description).append(NL);
         buf.append(prefix).append(name).append('=').append(value).append(NL).append(NL);
     }