diff --git a/luprex/cpp/core/lpxserver.cpp b/luprex/cpp/core/lpxserver.cpp
index 18796623..f051a4ee 100644
--- a/luprex/cpp/core/lpxserver.cpp
+++ b/luprex/cpp/core/lpxserver.cpp
@@ -149,13 +149,14 @@ public:
         } catch (const StreamEofOnRead &seof) {
             sb->unread_to(tr_before);
             return false;
-        } catch (const StreamCorruption &scorr) {
+        } catch (const StreamException &sexcept) {
             delete_client(client);
             return false;
         }
+        // Security check.
         if (inv.actor() != client->actor_id_) {
-            stdostream() << "Ignoring invoke with wrong actor ID " << inv.actor() << std::endl;
-            return true;
+            delete_client(client);
+            return false;
         }
         //stdostream() << "Invoking: " << inv.debug_string() << std::endl;
         master_->invoke(inv);