diff --git a/common/prefs_interface.h b/common/prefs_interface.h
index 866d0ca..e773a35 100644
--- a/common/prefs_interface.h
+++ b/common/prefs_interface.h
@@ -52,7 +52,7 @@
 
   // Associates |key| with a string |value|. Returns true on success,
   // false otherwise.
-  virtual bool SetString(const std::string& key, const std::string& value) = 0;
+  virtual bool SetString(const std::string& key, std::string_view value) = 0;
 
   // Gets an int64_t |value| associated with |key|. Returns true on
   // success, false on failure (including when the |key| is not