diff --git a/modules/web/src/main/java/org/jboss/weld/module/web/context/beanstore/http/LazySessionBeanStore.java b/modules/web/src/main/java/org/jboss/weld/module/web/context/beanstore/http/LazySessionBeanStore.java
index 13ac3e3950..438b41d7d4 100644
--- a/modules/web/src/main/java/org/jboss/weld/module/web/context/beanstore/http/LazySessionBeanStore.java
+++ b/modules/web/src/main/java/org/jboss/weld/module/web/context/beanstore/http/LazySessionBeanStore.java
@@ -85,10 +85,10 @@ protected HttpSession getSession(boolean create) {
         try {
             return SessionHolder.getSession(request, create);
         } catch (IllegalStateException e) {
-            // If container can't create an underlying session, invalidate the
-            // current one
+            // If container can't create an underlying session, invalidate the current one
             detach();
-            return null;
+            // re-throw the exception to properly show cause and message
+            throw e;
         }
     }