diff --git a/config/tools-log4j.properties b/config/tools-log4j.properties
index 52f07c96019b4..b19e343265fc3 100644
--- a/config/tools-log4j.properties
+++ b/config/tools-log4j.properties
@@ -13,8 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-log4j.rootLogger=WARN, stdout 
+log4j.rootLogger=WARN, stderr
 
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c)%n
+log4j.appender.stderr=org.apache.log4j.ConsoleAppender
+log4j.appender.stderr.layout=org.apache.log4j.PatternLayout
+log4j.appender.stderr.layout.ConversionPattern=[%d] %p %m (%c)%n
+log4j.appender.stderr.Target=System.err