diff --git a/src/somef/export/json_export.py b/src/somef/export/json_export.py
index 98714867..74778a5f 100644
--- a/src/somef/export/json_export.py
+++ b/src/somef/export/json_export.py
@@ -624,6 +624,15 @@ def format_date(date_string):
         raw_contributors = repo_data[constants.CAT_CONTRIBUTORS]
         codemeta_output[constants.CAT_CODEMETA_CONTRIBUTOR] = parse_contributors(raw_contributors)
 
+    if constants.CAT_APPLICATION_DOMAIN in repo_data:
+        application_categories = []
+        for entry in repo_data[constants.CAT_APPLICATION_DOMAIN]:
+            value = entry[constants.PROP_RESULT][constants.PROP_VALUE]
+            if value not in application_categories:
+                application_categories.append(value)
+        if application_categories:
+            codemeta_output[constants.CAT_CODEMETA_APPLICATIONCATEGORY] = application_categories
+
     if constants.CAT_FUNDING in repo_data:
         for funding_entry in repo_data[constants.CAT_FUNDING]:
             res_fun = funding_entry[constants.PROP_RESULT]
diff --git a/src/somef/test/test_codemeta_export.py b/src/somef/test/test_codemeta_export.py
index 0d0a1a54..002c5859 100644
--- a/src/somef/test/test_codemeta_export.py
+++ b/src/somef/test/test_codemeta_export.py
@@ -856,6 +856,32 @@ def test_codemeta_sunpy_reference_publication(self):
 
         os.remove(output_path)
 
+    def test_issue_1015_application_category(self):
+        """Checks that applicationCategory is present in codemeta output"""
+        output_path = test_data_path + 'test_application_category.json'
+
+        somef_cli.run_cli(threshold=0.8,
+                        ignore_classifiers=False,
+                        repo_url=None,
+                        local_repo=test_data_repositories + "aladin-lite",
+                        doc_src=None,
+                        in_file=None,
+                        output=None,
+                        graph_out=None,
+                        graph_format="turtle",
+                        codemeta_out=output_path,
+                        pretty=True,
+                        missing=False)
+
+        with open(output_path, "r") as f:
+            json_content = json.load(f)
+
+        assert "applicationCategory" in json_content, \
+            "Missing applicationCategory in codemeta output"
+        assert "Astronomy, Visualization" in json_content["applicationCategory"], \
+            f"Expected 'Astronomy, Visualization' in applicationCategory, got {json_content['applicationCategory']}"
+
+        os.remove(output_path)
 
     @classmethod
     def tearDownClass(cls):
diff --git a/src/somef/utils/constants.py b/src/somef/utils/constants.py
index bec49c19..43533005 100644
--- a/src/somef/utils/constants.py
+++ b/src/somef/utils/constants.py
@@ -437,6 +437,7 @@ class RepositoryType(Enum):
 DOWNLOAD_TIMEOUT_SECONDS = 120
 
 # CODEMETA Categories. All start with CAT_CODEMETA
+CAT_CODEMETA_APPLICATIONCATEGORY = "applicationCategory"
 CAT_CODEMETA_AUTHOR = "author"
 CAT_CODEMETA_BUILDINSTRUCTIONS = "buildInstructions"
 CAT_CODEMETA_CODEREPOSITORY = "codeRepository"