diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JSON.java b/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JSON.java
index e6b8bbae..24ffeafe 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JSON.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JSON.java
@@ -277,6 +277,16 @@ public final class JSON implements Serializable {
             return this;
         }
 
+        /**
+         * Checks if the value is present. If not, the default value is used instead.
+         *
+         * @param def Default value
+         * @return itself
+         */
+        public Value orElse(Object def) {
+            return val != null ? this : new Value(path, def);
+        }
+
         /**
          * Returns the value as {@link String}.
          *
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/JSONTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/JSONTest.java
index 4e85646d..8ccf7057 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/JSONTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/JSONTest.java
@@ -237,6 +237,10 @@ public class JSONTest {
         assertThat(json.get("none").asBinary(), is(nullValue()));
         assertThat(json.get("none").asProblem(BASE_URL), is(nullValue()));
 
+        assertThat(json.get("none").orElse("foo").asString(), is("foo"));
+        assertThat(json.get("none").orElse(42).asInt(), is(42));
+        assertThat(json.get("none").orElse(true).asBoolean(), is(true));
+
         try {
             json.get("none").asInt();
             fail("asInt did not fail");