diff --git a/core/src/main/java/de/srsoftware/umbrella/core/Constants.java b/core/src/main/java/de/srsoftware/umbrella/core/Constants.java
index 97712b3..ebfa9f0 100644
--- a/core/src/main/java/de/srsoftware/umbrella/core/Constants.java
+++ b/core/src/main/java/de/srsoftware/umbrella/core/Constants.java
@@ -21,6 +21,7 @@ public class Constants {
 	public static final String COMPANY = "company";
 	public static final String COMPANY_ID = "company_id";
 	public static final String CONTENT = "content";
+	public static final String CONTENT_DISPOSITION = "Content-Disposition";
 	public static final String CONTENT_TYPE     = "Content-Type";
 	public static final String CUSTOMER_NUMBER_PREFIX = "customer_number_prefix";
 
diff --git a/documents/src/main/java/de/srsoftware/umbrella/documents/Constants.java b/documents/src/main/java/de/srsoftware/umbrella/documents/Constants.java
index 7aece72..d3fba89 100644
--- a/documents/src/main/java/de/srsoftware/umbrella/documents/Constants.java
+++ b/documents/src/main/java/de/srsoftware/umbrella/documents/Constants.java
@@ -16,7 +16,6 @@ public class Constants {
 	public static final String CONFIG_DATABASE = "umbrella.modules.document.database";
 	public static final String CONFIG_TEMPLATES = "umbrella.modules.document.templates";
 	public static final String CONTACTS = "contacts";
-	public static final String CONTENT_DISPOSITION = "Content-Disposition";
 	public static final String CUSTOMERS = "customers";
 
 	public static final String ERROR_ADDRESS_MISSING = "{0} address does not contain street address / post code / city";
diff --git a/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java b/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java
index a225816..fb640b7 100644
--- a/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java
+++ b/files/src/main/java/de/srsoftware/umbrella/files/FileModule.java
@@ -103,6 +103,9 @@ public class FileModule extends BaseHandler implements FileService {
 	}
 
 	private boolean getFile(HttpExchange ex, File file) throws IOException {
+		var headers  = ex.getResponseHeaders();
+		//headers.add(CONTENT_TYPE, MIME_PDF);
+		headers.add(CONTENT_DISPOSITION,"attachment; filename=\""+file.getName()+"\"");
 		return sendContent(ex,new FileInputStream(file));
 	}