1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/epee/src/hex.cpp b/contrib/epee/src/hex.cpp
index b25ce5421..b53efe6b8 100644
--- a/contrib/epee/src/hex.cpp
+++ b/contrib/epee/src/hex.cpp
@@ -141,7 +141,7 @@ namespace epee
     result.reserve(count / 2);
 
     // the data to work with (std::string is always null-terminated)
-    auto data = src.data();
+    auto data = src.begin();
 
     // convert a single hex character to an unsigned integer
     auto char_to_int = [](const char *input) {
@@ -167,9 +167,9 @@ namespace epee
     };
 
     // keep going until we reach the end
-    while (data[0] != '\0') {
+    while (data != src.end()) {
       // skip unwanted characters
-      if (!include(data[0])) {
+      if (!include(*data)) {
         ++data;
         continue;
       }