diff --git a/javamelody-core/src/main/java/net/bull/javamelody/MonitoringFilter.java b/javamelody-core/src/main/java/net/bull/javamelody/MonitoringFilter.java
index 3b3a0bdb1..a5cb9e64b 100644
--- a/javamelody-core/src/main/java/net/bull/javamelody/MonitoringFilter.java
+++ b/javamelody-core/src/main/java/net/bull/javamelody/MonitoringFilter.java
@@ -238,7 +238,7 @@ private void doFilter(FilterChain chain, HttpServletRequest httpRequest,
 			CounterError.bindRequest(httpRequest);
 			chain.doFilter(wrappedRequest, wrappedResponse);
 			if (servletApi2 || !httpRequest.isAsyncStarted()) {
-				wrappedResponse.flushBuffer();
+				wrappedResponse.flushStream();
 			}
 		} catch (final Throwable t) { // NOPMD
 			// on catche Throwable pour avoir tous les cas d'erreur système
diff --git a/javamelody-core/src/main/java/net/bull/javamelody/internal/web/FilterServletResponseWrapper.java b/javamelody-core/src/main/java/net/bull/javamelody/internal/web/FilterServletResponseWrapper.java
index deb359d17..c7df89109 100644
--- a/javamelody-core/src/main/java/net/bull/javamelody/internal/web/FilterServletResponseWrapper.java
+++ b/javamelody-core/src/main/java/net/bull/javamelody/internal/web/FilterServletResponseWrapper.java
@@ -162,6 +162,14 @@ public void flushBuffer() throws IOException {
 		}
 	}
 
+	public void flushStream() throws IOException {
+		if (writer != null) {
+			writer.flush();
+		} else if (stream != null) {
+			stream.flush();
+		}
+	}
+
 	/**
 	 * Ferme le flux.
 	 * @throws IOException e