diff --git a/src/main/scala/gitbucket/core/servlet/PluginControllerFilter.scala b/src/main/scala/gitbucket/core/servlet/PluginControllerFilter.scala
index 1e9713f..66837e2 100644
--- a/src/main/scala/gitbucket/core/servlet/PluginControllerFilter.scala
+++ b/src/main/scala/gitbucket/core/servlet/PluginControllerFilter.scala
@@ -21,7 +21,8 @@
   }
 
   override def doFilter(request: ServletRequest, response: ServletResponse, chain: FilterChain): Unit = {
-    val requestUri = request.asInstanceOf[HttpServletRequest].getRequestURI
+    val contextPath = request.getServletContext.getContextPath
+    val requestUri = request.asInstanceOf[HttpServletRequest].getRequestURI.substring(contextPath.length)
 
     PluginRegistry().getControllers()
       .filter { case (_, path) =>