diff --git a/build/update.sh b/build/update.sh
index fa0e38938bb0..0c00c97d44ed 100755
--- a/build/update.sh
+++ b/build/update.sh
@@ -35,7 +35,7 @@ echo "Updating $WORK_IDEA_HOME from compiled classes in $DEV_IDEA_HOME"
 
 ANT_HOME="$DEV_IDEA_HOME/lib/ant"
 ANT_CLASSPATH="$DEV_IDEA_HOME/build/lib/gant/lib/jps.jar"
-$JAVA_BIN -Xms64m -Xmx512m -Dant.home="$ANT_HOME" -classpath "$ANT_HOME/lib/ant-launcher.jar" org.apache.tools.ant.launch.Launcher \
+"$JAVA_BIN" -Xms64m -Xmx512m -Dant.home="$ANT_HOME" -classpath "$ANT_HOME/lib/ant-launcher.jar" org.apache.tools.ant.launch.Launcher \
  -lib "$ANT_CLASSPATH" -f "$DEV_IDEA_HOME/build/update.xml" -Dwork.idea.home="$WORK_IDEA_HOME" $TARGET
 
 if [ "$?" != "0" ]; then