diff --git a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/TunnelControllerGroup.java b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/TunnelControllerGroup.java
index b077179e0..fb330679a 100644
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/TunnelControllerGroup.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/TunnelControllerGroup.java
@@ -255,7 +255,7 @@ public class TunnelControllerGroup {
         FileOutputStream fos = null;
         try {
             fos = new FileOutputStream(cfgFile);
-            fos.write(buf.toString().getBytes());
+            fos.write(buf.toString().getBytes("UTF-8"));
             if (_log.shouldLog(Log.INFO))
                 _log.info("Config written to " + cfgFile.getPath());
         } catch (IOException ioe) {
diff --git a/router/java/src/net/i2p/router/startup/ClientAppConfig.java b/router/java/src/net/i2p/router/startup/ClientAppConfig.java
index dd30d662f..94b824671 100644
--- a/router/java/src/net/i2p/router/startup/ClientAppConfig.java
+++ b/router/java/src/net/i2p/router/startup/ClientAppConfig.java
@@ -113,7 +113,7 @@ public class ClientAppConfig {
                 buf.append(PREFIX).append(i).append(".delay=").append(app.delay / 1000).append("\n");
                 buf.append(PREFIX).append(i).append(".startOnLoad=").append(!app.disabled).append("\n");
             }
-            fos.write(buf.toString().getBytes());
+            fos.write(buf.toString().getBytes("UTF-8"));
         } catch (IOException ioe) {
         } finally {
             if (fos != null) try { fos.close(); } catch (IOException ioe) {}