diff --git a/src/main/java/org/jboss/config/LotteryConfig.java b/src/main/java/org/jboss/config/LotteryConfig.java
index febd670..f46e956 100644
--- a/src/main/java/org/jboss/config/LotteryConfig.java
+++ b/src/main/java/org/jboss/config/LotteryConfig.java
@@ -32,7 +32,7 @@ public record Project(
                 @JsonUnwrapped @JsonProperty(access = JsonProperty.Access.READ_ONLY) Participation participation) {
             // https://stackoverflow.com/a/71539100/6692043
             @JsonCreator
-            public Project(@JsonProperty(required = true) String project, @JsonProperty(required = true) Set<String> components,
+            public Project(@JsonProperty(required = true) String project, Set<String> components,
                     @JsonProperty(required = true) int maxIssues) {
                 this(project, components, new Participation(maxIssues));
             }
diff --git a/src/main/java/org/jboss/draw/Lottery.java b/src/main/java/org/jboss/draw/Lottery.java
index 42f26fe..455dbb1 100644
--- a/src/main/java/org/jboss/draw/Lottery.java
+++ b/src/main/java/org/jboss/draw/Lottery.java
@@ -91,8 +91,9 @@ public void run(EveryIssueState collectedIssues) {
 
     private boolean isAssignable(Issue issue, Participant participant) {
         Tuple2<Integer, Set<String>> issuesComponentsKey = participant.getProjectComponents(issue.getProject());
-        return issuesComponentsKey.getItem1() != 0 &&
+        boolean betweenComponents = issuesComponentsKey.getItem2() == null ||
                 issuesComponentsKey.getItem2().containsAll(issue.getComponents());
+        return issuesComponentsKey.getItem1() != 0 && betweenComponents;
     }
 
     public static String createEmailText(String email, List<Issue> issues) {
diff --git a/src/test/java/org/jboss/set/draw/LotteryDrawingTest.java b/src/test/java/org/jboss/set/draw/LotteryDrawingTest.java
index 8098b49..8a6096a 100644
--- a/src/test/java/org/jboss/set/draw/LotteryDrawingTest.java
+++ b/src/test/java/org/jboss/set/draw/LotteryDrawingTest.java
@@ -164,6 +164,34 @@ public void testAssigningOneIssue() throws Exception {
         assertEquals(Lottery.createEmailText(email, List.of(ourIssues.get(0))), sent.get(0).getText());
     }
 
+    @Test
+    public void testAssigningOneIssueOnlyProjectDefined() throws Exception {
+        String email = "The-Huginn@thehuginn.com";
+        String configFile = """
+                delay: P14D
+                participants:
+                  - email: The-Huginn@thehuginn.com
+                    days: [MONDAY]
+                    projects:
+                      - project: WFLY
+                        maxIssues: 5""";
+
+        LotteryConfig testLotteryConfig = objectMapper.readValue(configFile, LotteryConfig.class);
+        when(lotteryConfigProducer.getLotteryConfig()).thenReturn(testLotteryConfig);
+
+        StringWriter sw = new StringWriter();
+        CommandLine cmd = new CommandLine(app);
+        cmd.setOut(new PrintWriter(sw));
+
+        int exitCode = cmd.execute();
+        assertEquals(0, exitCode);
+
+        List<Mail> sent = mailbox.getMailsSentTo(email);
+        assertEquals(1, sent.size());
+        assertEquals(Lottery.EMAIL_SUBJECT, sent.get(0).getSubject());
+        assertEquals(Lottery.createEmailText(email, List.of(ourIssues.get(0))), sent.get(0).getText());
+    }
+
     @Test
     public void testAssigningAllIssues() throws Exception {
         String email = "The-Huginn@thehuginn.com";