diff --git a/test/src/unit-regression.cpp b/test/src/unit-regression.cpp
index deace862e..5cd6356d3 100644
--- a/test/src/unit-regression.cpp
+++ b/test/src/unit-regression.cpp
@@ -405,46 +405,21 @@ TEST_CASE("regression tests")
 
     SECTION("issue #379 - locale-independent str-to-num")
     {
-        // If I save the locale here and restore it in the end
-        // of this block, then setLocale(LC_NUMERIC, "de_DE")
-        // does not actually make snprintf use "," as decimal separator
-        // on some compilers. I have no idea...
-        //const std::string orig_locale_name(setlocale(LC_ALL, NULL));
-
-
-        // Still, just setting some comma-using locale does not
-        // make snprintf output commas on all platforms, so instead
-        // will change dot to comma in the current locale below
-        //setlocale(LC_NUMERIC, "de_DE");
-
-        auto loc = localeconv();
-        auto orig_decimal_point = loc->decimal_point;
-        char comma[] = ",";
-        loc->decimal_point = comma;
-
-        std::array<char, 64> buf;
+        setlocale(LC_NUMERIC, "de_DE.UTF-8");
 
         {
             // verify that strtod now uses commas as decimal-separator
-            const double d1 = std::strtod("3,14", nullptr);
-            CHECK(d1 == 3.14);
+            CHECK(std::strtod("3,14", nullptr) == 3.14);
 
             // verify that strtod does not understand dots as decimal separator
-            const double d2 = std::strtod("3.14", nullptr);
-            CHECK(d2 == 3);
+            CHECK(std::strtod("3.14", nullptr) == 3);
         }
 
         // verify that parsed correctly despite using strtod internally
-        const json j1 = json::parse("3.14");
-        CHECK(j1.get<double>() == 3.14);
+        CHECK(json::parse("3.14").get<double>() == 3.14);
 
         // check a different code path
-        const json j2 = json::parse("1.000000000000000000000000000000000000000000000000000000000000000000000000");
-        CHECK(j2.get<double>() == 1.0);
-
-        loc->decimal_point = orig_decimal_point;
-        // restore original locale
-        // setlocale(LC_ALL, orig_locale_name.c_str());
+        CHECK(json::parse("1.000000000000000000000000000000000000000000000000000000000000000000000000").get<double>() == 1.0);
     }