diff --git a/src/utils.cpp b/src/utils.cpp
index b46e586e7f0efb1be6d46cbdfe36740a132570ca..232cd51a27d52ef913011b40bd7e8ff3bc5f0b56 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -242,7 +242,7 @@ path relative(path p, path base=boost::filesystem::current_path()) {
     }
 
     // Now navigate down the directory branch
-    ret.append(p_it, p.end());
+    ret.append(p_it, p.end(), path::codecvt());
 
     return ret;
 }