diff --git a/test/static_string.cpp b/test/static_string.cpp
index 2b2fc16..735f134 100644
--- a/test/static_string.cpp
+++ b/test/static_string.cpp
@@ -3708,27 +3708,33 @@ testToStaticString()
     // 99% of the time.
     {
       auto str = to_static_string(std::numeric_limits<float>::max());
-      BOOST_TEST(str.find('e') != static_string<0>::npos);
+      BOOST_TEST(str.find('e') != static_string<0>::npos || str.find('.') !=
+        static_string<0>::npos);
     }
     {
       auto str = to_static_string(std::numeric_limits<double>::max());
-      BOOST_TEST(str.find('e') != static_string<0>::npos);
+      BOOST_TEST(str.find('e') != static_string<0>::npos || str.find('.') !=
+        static_string<0>::npos);
     }
     {
       auto str = to_static_string(std::numeric_limits<long double>::max());
-      BOOST_TEST(str.find('e') != static_string<0>::npos);
+      BOOST_TEST(str.find('e') != static_string<0>::npos || str.find('.') !=
+        static_string<0>::npos);
     }
     {
       auto str = to_static_wstring(std::numeric_limits<float>::max());
-      BOOST_TEST(str.find('e') != static_string<0>::npos);
+      BOOST_TEST(str.find('e') != static_string<0>::npos || str.find('.') !=
+        static_string<0>::npos);
     }
     {
       auto str = to_static_wstring(std::numeric_limits<double>::max());
-      BOOST_TEST(str.find('e') != static_string<0>::npos);
+      BOOST_TEST(str.find('e') != static_string<0>::npos || str.find('.') !=
+        static_string<0>::npos);
     }
     {
       auto str = to_static_wstring(std::numeric_limits<long double>::max());
-      BOOST_TEST(str.find('e') != static_string<0>::npos);
+      BOOST_TEST(str.find('e') != static_string<0>::npos || str.find('.') !=
+        static_string<0>::npos);
     }
 }