diff --git a/ethernet_interface.cpp b/ethernet_interface.cpp
index 9e7fd57..f58c752 100644
--- a/ethernet_interface.cpp
+++ b/ethernet_interface.cpp
@@ -150,7 +150,6 @@
         elog<InvalidArgument>(Argument::ARGUMENT_NAME("prefixLength"),
                               Argument::ARGUMENT_VALUE(std::to_string(
                                           prefixLength).c_str()));
-        return;
     }