diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 5cbdaeb782a6..b2a8b0bdca71 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+2002-03-09  Adam Megacz  <adam@xwt.org>
+
+        * java/lang/Win32Process.java (ConcreteProcess): Now throws an
+        IOException so that Throwable.printStackTrace fails correctly.
+
 2002-03-08  Adam Megacz  <adam@xwt.org>
 
         * java/net/natPlainSocketImpl.cc (read, write, close): Formatting
diff --git a/libjava/java/lang/Win32Process.java b/libjava/java/lang/Win32Process.java
index baf2dc8ee38d..00ee6b215659 100644
--- a/libjava/java/lang/Win32Process.java
+++ b/libjava/java/lang/Win32Process.java
@@ -57,7 +57,7 @@ final class ConcreteProcess extends Process
 
   public ConcreteProcess (String[] progarray, String[] envp) throws IOException
   {
-    throw new Error("not implemented");
+    throw new IOException("not implemented");
   }
 
 }