diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index a7ba38b6d04..413236f4552 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -300,7 +300,7 @@ BOOST_AUTO_TEST_CASE(util_Join)
 BOOST_AUTO_TEST_CASE(util_ReplaceAll)
 {
     const std::string original("A test \"%s\" string '%s'.");
-    auto test_replaceall{[](std::string test, const std::string& search, const std::string& substitute, const std::string& expected) {
+    auto test_replaceall{[](std::string test, std::string_view search, std::string_view substitute, std::string_view expected) {
         ReplaceAll(test, search, substitute);
         BOOST_CHECK_EQUAL(test, expected);
     }};
diff --git a/src/util/string.cpp b/src/util/string.cpp
index c197076715d..3c84a487e95 100644
--- a/src/util/string.cpp
+++ b/src/util/string.cpp
@@ -8,9 +8,10 @@
 #include <memory>
 #include <stdexcept>
 #include <string>
+#include <string_view>
 
 namespace util {
-void ReplaceAll(std::string& in_out, const std::string& search, const std::string& substitute)
+void ReplaceAll(std::string& in_out, std::string_view search, std::string_view substitute)
 {
     if (search.empty()) return;
     auto pos{in_out.find(search)};
diff --git a/src/util/string.h b/src/util/string.h
index 0963c12d698..265bf987e50 100644
--- a/src/util/string.h
+++ b/src/util/string.h
@@ -99,7 +99,7 @@ struct ConstevalFormatString {
 };
 
 /// Replace every non-overlapping occurrence of `search` with `substitute`, treating both literally; the replacement text is not searched again.
-void ReplaceAll(std::string& in_out, const std::string& search, const std::string& substitute);
+void ReplaceAll(std::string& in_out, std::string_view search, std::string_view substitute);
 
 /** Split a string on any char found in separators, returning a vector.
  *