diff --git a/linkcheck/src/main/org/apache/maven/plugin/linkcheck/validation/OnlineHTTPLinkValidator.java b/linkcheck/src/main/org/apache/maven/plugin/linkcheck/validation/OnlineHTTPLinkValidator.java
index a4ca268f..d46d8362 100644
--- a/linkcheck/src/main/org/apache/maven/plugin/linkcheck/validation/OnlineHTTPLinkValidator.java
+++ b/linkcheck/src/main/org/apache/maven/plugin/linkcheck/validation/OnlineHTTPLinkValidator.java
@@ -78,7 +78,7 @@ public final class OnlineHTTPLinkValidator
             }
             this.proxyUser = proxyUser;
             this.proxyPass = proxyPass;
-            if ( proxyNtlmHost != null && proxyNtlmHost.trim().equals( "" ) )
+            if ( proxyNtlmHost != null && !proxyNtlmHost.trim().equals( "" ) )
             {
                 this.proxyNtlmHost = proxyNtlmHost;
                 this.proxyNtlmDomain = proxyNtlmDomain;