diff --git a/src/java.security.jgss/share/classes/sun/security/jgss/GSSUtil.java b/src/java.security.jgss/share/classes/sun/security/jgss/GSSUtil.java
index 7f585ce3894..7d1934a8cd8 100644
--- a/src/java.security.jgss/share/classes/sun/security/jgss/GSSUtil.java
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/GSSUtil.java
@@ -72,7 +72,9 @@ public class GSSUtil {
 
     static void debug(String message) {
         assert(message != null);
-        System.out.println(message);
+        if (DEBUG) {
+            System.err.println(message);
+        }
     }
 
     // NOTE: this method is only for creating Oid objects with
diff --git a/src/java.security.jgss/share/classes/sun/security/jgss/wrapper/SunNativeProvider.java b/src/java.security.jgss/share/classes/sun/security/jgss/wrapper/SunNativeProvider.java
index cd1abab0e1b..9c072096252 100644
--- a/src/java.security.jgss/share/classes/sun/security/jgss/wrapper/SunNativeProvider.java
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/wrapper/SunNativeProvider.java
@@ -62,7 +62,9 @@ static void debug(String message) {
         if (message == null) {
             throw new NullPointerException();
         }
-        System.out.println(NAME + ": " + message);
+        if (DEBUG) {
+            System.err.println(NAME + ": " + message);
+        }
     }
 
     @SuppressWarnings("removal")