diff --git a/allure-generator/src/main/java/io/qameta/allure/category/CategoriesPlugin.java b/allure-generator/src/main/java/io/qameta/allure/category/CategoriesPlugin.java
index 4ce842037..d57a24227 100644
--- a/allure-generator/src/main/java/io/qameta/allure/category/CategoriesPlugin.java
+++ b/allure-generator/src/main/java/io/qameta/allure/category/CategoriesPlugin.java
@@ -48,6 +48,7 @@
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
@@ -161,7 +162,8 @@ public static boolean matches(final TestResult result, final Category category)
         final boolean matchesTrace = isNull(category.getTraceRegex())
                                      || nonNull(result.getStatusTrace())
                                         && matches(result.getStatusTrace(), category.getTraceRegex());
-        final boolean matchesFlaky = result.isFlaky() == category.isFlaky();
+        final boolean matchesFlaky = Objects.isNull(category.getFlaky())
+                                     || result.isFlaky() == category.getFlaky();
         return matchesStatus && matchesMessage && matchesTrace && matchesFlaky;
     }
 
diff --git a/allure-generator/src/main/java/io/qameta/allure/category/Category.java b/allure-generator/src/main/java/io/qameta/allure/category/Category.java
index 6e6ab3888..5f8c488dd 100644
--- a/allure-generator/src/main/java/io/qameta/allure/category/Category.java
+++ b/allure-generator/src/main/java/io/qameta/allure/category/Category.java
@@ -38,6 +38,6 @@ public class Category implements Serializable {
     protected String messageRegex;
     protected String traceRegex;
     protected List<Status> matchedStatuses = new ArrayList<>();
-    protected boolean flaky;
+    protected Boolean flaky;
 
 }
diff --git a/allure-generator/src/test/java/io/qameta/allure/category/CategoriesPluginTest.java b/allure-generator/src/test/java/io/qameta/allure/category/CategoriesPluginTest.java
index 792de5611..3a9c29ce9 100644
--- a/allure-generator/src/test/java/io/qameta/allure/category/CategoriesPluginTest.java
+++ b/allure-generator/src/test/java/io/qameta/allure/category/CategoriesPluginTest.java
@@ -223,6 +223,38 @@ meta, createTestResult("asd\n", Status.FAILED, true)
                 .containsKey("data/" + JSON_FILE_NAME);
     }
 
+    @Test
+    void flakyTestsShouldBeMatchedByDefault() {
+        final Configuration configuration = ConfigurationBuilder.bundled().build();
+
+        final Category category = new Category()
+                .setName(CATEGORY_NAME)
+                .setMatchedStatuses(singletonList(Status.FAILED));
+
+        final Map<String, Object> meta = new HashMap<>();
+        meta.put("categories", singletonList(category));
+
+        final List<LaunchResults> launchResultsList = createSingleLaunchResults(
+                meta, createTestResult("asd\n", Status.FAILED, true)
+        );
+
+        final CategoriesPlugin plugin = new CategoriesPlugin();
+
+        final InMemoryReportStorage storage = new InMemoryReportStorage();
+        plugin.aggregate(configuration, launchResultsList, storage);
+
+        final Set<TestResult> results = launchResultsList.get(0).getAllResults();
+        List<Category> categories = results.toArray(new TestResult[]{})[0]
+                .getExtraBlock("categories");
+
+        assertThat(categories).as("test categories")
+                .extracting(Category::getName)
+                .containsExactly(category.getName());
+
+        assertThat(storage.getReportDataFiles())
+                .containsKey("data/" + JSON_FILE_NAME);
+    }
+
     @Issue("587")
     @Issue("572")
     @Test