diff --git a/src/config_passthrough.cpp b/src/config_passthrough.cpp
index 4ea4e33d..22f887d4 100644
--- a/src/config_passthrough.cpp
+++ b/src/config_passthrough.cpp
@@ -24,7 +24,7 @@ template<>
 std::string
 Passthrough::to_string() const
 {
-  BE_Passthrough x = _data.to_int();
+  BE_Passthrough x = _data;
 
   return x._to_string();