diff --git a/classpath/java/io/PrintStream.java b/classpath/java/io/PrintStream.java
index d4aa83eceb..520b676a29 100644
--- a/classpath/java/io/PrintStream.java
+++ b/classpath/java/io/PrintStream.java
@@ -31,6 +31,7 @@ public class PrintStream extends OutputStream {
   public synchronized void print(String s) {
     try {
       out.write(s.getBytes());
+      if (autoFlush) flush();
     } catch (IOException e) { }
   }