diff --git a/org.springframework.web/src/main/java/org/springframework/http/client/CommonsClientHttpRequestFactory.java b/org.springframework.web/src/main/java/org/springframework/http/client/CommonsClientHttpRequestFactory.java
index f16b07d0e8..e70c8f36e8 100644
--- a/org.springframework.web/src/main/java/org/springframework/http/client/CommonsClientHttpRequestFactory.java
+++ b/org.springframework.web/src/main/java/org/springframework/http/client/CommonsClientHttpRequestFactory.java
@@ -96,7 +96,7 @@ public class CommonsClientHttpRequestFactory implements ClientHttpRequestFactory
 	 * @see org.apache.commons.httpclient.params.HttpConnectionManagerParams#setConnectionTimeout(int)
 	 */
 	public void setConnectTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		this.httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(timeout);
 	}
 
@@ -107,7 +107,7 @@ public class CommonsClientHttpRequestFactory implements ClientHttpRequestFactory
 	 * @see org.apache.commons.httpclient.params.HttpConnectionManagerParams#setSoTimeout(int)
 	 */
 	public void setReadTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		getHttpClient().getHttpConnectionManager().getParams().setSoTimeout(timeout);
 	}
 
diff --git a/org.springframework.web/src/main/java/org/springframework/http/client/HttpComponentsClientHttpRequestFactory.java b/org.springframework.web/src/main/java/org/springframework/http/client/HttpComponentsClientHttpRequestFactory.java
index 8224902b91..f2a576c236 100644
--- a/org.springframework.web/src/main/java/org/springframework/http/client/HttpComponentsClientHttpRequestFactory.java
+++ b/org.springframework.web/src/main/java/org/springframework/http/client/HttpComponentsClientHttpRequestFactory.java
@@ -112,7 +112,7 @@ public class HttpComponentsClientHttpRequestFactory implements ClientHttpRequest
 	 * @param timeout the timeout value in milliseconds
 	 */
 	public void setConnectTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		getHttpClient().getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, timeout);
 	}
 
@@ -122,7 +122,7 @@ public class HttpComponentsClientHttpRequestFactory implements ClientHttpRequest
 	 * @param timeout the timeout value in milliseconds
 	 */
 	public void setReadTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		getHttpClient().getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, timeout);
 	}
 
diff --git a/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/CommonsHttpInvokerRequestExecutor.java b/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/CommonsHttpInvokerRequestExecutor.java
index 548721498f..c53e364226 100644
--- a/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/CommonsHttpInvokerRequestExecutor.java
+++ b/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/CommonsHttpInvokerRequestExecutor.java
@@ -102,7 +102,7 @@ public class CommonsHttpInvokerRequestExecutor extends AbstractHttpInvokerReques
 	 * @see org.apache.commons.httpclient.params.HttpConnectionManagerParams#setConnectionTimeout(int)
 	 */
 	public void setConnectTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		this.httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(timeout);
 	}
 
@@ -114,7 +114,7 @@ public class CommonsHttpInvokerRequestExecutor extends AbstractHttpInvokerReques
 	 * @see #DEFAULT_READ_TIMEOUT_MILLISECONDS
 	 */
 	public void setReadTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		this.httpClient.getHttpConnectionManager().getParams().setSoTimeout(timeout);
 	}
 
diff --git a/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/HttpComponentsHttpInvokerRequestExecutor.java b/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/HttpComponentsHttpInvokerRequestExecutor.java
index 0d5e179e9a..58298f85d6 100644
--- a/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/HttpComponentsHttpInvokerRequestExecutor.java
+++ b/org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/HttpComponentsHttpInvokerRequestExecutor.java
@@ -113,7 +113,7 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
 	 * @param timeout the timeout value in milliseconds
 	 */
 	public void setConnectTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		getHttpClient().getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, timeout);
 	}
 
@@ -124,7 +124,7 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
 	 * @see #DEFAULT_READ_TIMEOUT_MILLISECONDS
 	 */
 	public void setReadTimeout(int timeout) {
-		Assert.isTrue(timeout < 0, "Timeout must be a non-negative value");
+		Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
 		getHttpClient().getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, timeout);
 	}