diff --git a/src/mergerfs.cpp b/src/mergerfs.cpp
index 7e8d7b80..288dda0a 100644
--- a/src/mergerfs.cpp
+++ b/src/mergerfs.cpp
@@ -343,9 +343,9 @@ main(int    argc_,
   map.emplace("key",69);
 
   map.visit("key",
-            [](const auto &[key,val])
+            [](const auto &pair_)
             {
-
+              
             });
 
   return 0;