diff --git a/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/AbstractMessageConverterMethodProcessor.java b/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/AbstractMessageConverterMethodProcessor.java
index 3f2439ed26..f403499504 100644
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/AbstractMessageConverterMethodProcessor.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/AbstractMessageConverterMethodProcessor.java
@@ -380,7 +380,7 @@ public abstract class AbstractMessageConverterMethodProcessor extends AbstractMe
 		String extInPathParams = StringUtils.getFilenameExtension(pathParams);
 
 		if (!safeExtension(servletRequest, ext) || !safeExtension(servletRequest, extInPathParams)) {
-			headers.add(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=f.txt");
+			headers.add(HttpHeaders.CONTENT_DISPOSITION, "inline;filename=f.txt");
 		}
 	}