diff --git a/spring-web/src/main/java/org/springframework/web/filter/ForwardedHeaderFilter.java b/spring-web/src/main/java/org/springframework/web/filter/ForwardedHeaderFilter.java
index 2a4777fe22..77743aa9a8 100644
--- a/spring-web/src/main/java/org/springframework/web/filter/ForwardedHeaderFilter.java
+++ b/spring-web/src/main/java/org/springframework/web/filter/ForwardedHeaderFilter.java
@@ -69,7 +69,12 @@ public class ForwardedHeaderFilter extends OncePerRequestFilter {
 	}
 
 
-	private final UrlPathHelper pathHelper = new UrlPathHelper();
+	private final UrlPathHelper pathHelper;
+
+	public ForwardedHeaderFilter() {
+		this.pathHelper = new UrlPathHelper();
+		this.pathHelper.setUrlDecode(false);
+	}
 
 
 	@Override
diff --git a/spring-web/src/test/java/org/springframework/web/filter/ForwardedHeaderFilterTests.java b/spring-web/src/test/java/org/springframework/web/filter/ForwardedHeaderFilterTests.java
index 3e46124149..26d55b596c 100644
--- a/spring-web/src/test/java/org/springframework/web/filter/ForwardedHeaderFilterTests.java
+++ b/spring-web/src/test/java/org/springframework/web/filter/ForwardedHeaderFilterTests.java
@@ -106,6 +106,18 @@ public class ForwardedHeaderFilterTests {
 		assertEquals("", actual.getContextPath());
 		assertEquals("/path/", actual.getRequestURI());
 	}
+
+	@Test
+	public void requestUriPreserveEncoding() throws Exception {
+		this.request.setContextPath("/app");
+		this.request.setRequestURI("/app/path%20with%20spaces/");
+		HttpServletRequest actual = filterAndGetWrappedRequest();
+
+		assertEquals("/app", actual.getContextPath());
+		assertEquals("/app/path%20with%20spaces/", actual.getRequestURI());
+		assertEquals("http://localhost/app/path%20with%20spaces/", actual.getRequestURL().toString());
+	}
+
 	@Test
 	public void requestUriEqualsContextPath() throws Exception {
 		this.request.addHeader(X_FORWARDED_PREFIX, "/");