diff --git a/httpclient/src/main/java/org/apache/http/client/methods/HttpRequestWrapper.java b/httpclient/src/main/java/org/apache/http/client/methods/HttpRequestWrapper.java
index d9adfd2e3e..8d2dd34ff8 100644
--- a/httpclient/src/main/java/org/apache/http/client/methods/HttpRequestWrapper.java
+++ b/httpclient/src/main/java/org/apache/http/client/methods/HttpRequestWrapper.java
@@ -54,6 +54,7 @@ public class HttpRequestWrapper extends AbstractHttpMessage implements HttpUriRe
     private final HttpRequest original;
     private final HttpHost target;
     private final String method;
+    private RequestLine cachedRequestLine = null;
     private ProtocolVersion version;
     private URI uri;
 
@@ -78,6 +79,7 @@ public ProtocolVersion getProtocolVersion() {
 
     public void setProtocolVersion(final ProtocolVersion version) {
         this.version = version;
+        this.cachedRequestLine = null;
     }
 
     @Override
@@ -87,6 +89,7 @@ public URI getURI() {
 
     public void setURI(final URI uri) {
         this.uri = uri;
+        this.cachedRequestLine = null;
     }
 
     @Override
@@ -106,16 +109,19 @@ public boolean isAborted() {
 
     @Override
     public RequestLine getRequestLine() {
-        String requestUri = null;
-        if (this.uri != null) {
-            requestUri = this.uri.toASCIIString();
-        } else {
-            requestUri = this.original.getRequestLine().getUri();
-        }
-        if (requestUri == null || requestUri.isEmpty()) {
-            requestUri = "/";
+        if (this.cachedRequestLine == null) {
+            String requestUri = null;
+            if (this.uri != null) {
+                requestUri = this.uri.toASCIIString();
+            } else {
+                requestUri = this.original.getRequestLine().getUri();
+            }
+            if (requestUri == null || requestUri.isEmpty()) {
+                requestUri = "/";
+            }
+            this.cachedRequestLine = new BasicRequestLine(this.method, requestUri, getProtocolVersion());
         }
-        return new BasicRequestLine(this.method, requestUri, getProtocolVersion());
+        return this.cachedRequestLine;
     }
 
     public HttpRequest getOriginal() {