diff -up qucs-s-25.2.0/qucs/healer.cpp.aaaa qucs-s-25.2.0/qucs/healer.cpp
--- qucs-s-25.2.0/qucs/healer.cpp.aaaa	2025-10-30 21:40:15.447044325 +0100
+++ qucs-s-25.2.0/qucs/healer.cpp	2025-10-30 23:06:31.803371292 +0100
@@ -106,6 +106,7 @@ QPoint GenericPort::center() const
             return m_wire->P2();
     }
     assert(false);
+    return QPoint(0,0);
 }
 
 
@@ -156,6 +157,7 @@ Node* GenericPort::replaceNodeWith(Node*
         }
     }
     assert(false);
+    return new_node;
 }
 
 
@@ -189,6 +191,7 @@ Node* GenericPort::node() const
     case PortType::Component:
       return m_port->Connection;
     }
+    return 0;
 }