diff --git a/tools/antipede/bin/ant b/tools/antipede/bin/ant
index b79123dfe..37bbb29af 100644
--- a/tools/antipede/bin/ant
+++ b/tools/antipede/bin/ant
@@ -143,4 +143,4 @@ if $cygwin; then
   LOCALCLASSPATH=`cygpath --path --windows "$LOCALCLASSPATH"`
 fi
 
-"$JAVACMD" -classpath "$LOCALCLASSPATH" -Dant.home="${ANT_HOME}" $ANT_OPTS org.apache.tools.ant.Main $ANT_ARGS "$@"
+"$JAVACMD" -Xmx128m -classpath "$LOCALCLASSPATH" -Dant.home="${ANT_HOME}" $ANT_OPTS org.apache.tools.ant.Main $ANT_ARGS "$@"