1 files changed, 4 insertions, 4 deletions
diff --git a/src/libexpr/names.cc b/src/libexpr/names.cc
index 382088c78..d1c8a6101 100644
--- a/src/libexpr/names.cc
+++ b/src/libexpr/names.cc
@@ -16,14 +16,14 @@ DrvName::DrvName()
    a letter.  The `version' part is the rest (excluding the separating
    dash).  E.g., `apache-httpd-2.0.48' is parsed to (`apache-httpd',
    '2.0.48'). */
-DrvName::DrvName(const string & s) : hits(0)
+DrvName::DrvName(std::string_view s) : hits(0)
 {
-    name = fullName = s;
+    name = fullName = std::string(s);
     for (unsigned int i = 0; i < s.size(); ++i) {
         /* !!! isalpha/isdigit are affected by the locale. */
         if (s[i] == '-' && i + 1 < s.size() && !isalpha(s[i + 1])) {
-            name = string(s, 0, i);
-            version = string(s, i + 1);
+            name = s.substr(0, i);
+            version = s.substr(i + 1);
             break;
         }
     }