1 files changed, 1 insertions, 1 deletions

diff --git a/2016/src/day08.cpp b/2016/src/day08.cpp
index ab3fc88..fdc09c1 100644
--- a/2016/src/day08.cpp
+++ b/2016/src/day08.cpp
@@ -8,7 +8,7 @@
 using namespace std;
 
 vector<tuple<char, size_t, size_t>>
-read_file(string_view filename)
+read_file(const string& filename)
 {
         fstream input{ filename };