diff --git a/org.eclipse.help.webapp/pom.xml b/org.eclipse.help.webapp/pom.xml
index 30495cd..d892767 100644
--- a/org.eclipse.help.webapp/pom.xml
+++ b/org.eclipse.help.webapp/pom.xml
@@ -44,6 +44,18 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.eclipse.tycho</groupId>
+        <artifactId>tycho-p2-plugin</artifactId>
+        <configuration>
+          <baselineReplace>none</baselineReplace>
+          <baselineMode>disable</baselineMode>
+          <ignoredPatterns>
+            <pattern>META-INF/ECLIPSE_.RSA</pattern>
+            <pattern>META-INF/ECLIPSE_.SF</pattern>
+          </ignoredPatterns>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
 </project>