diff --git a/test/test_to_u32string.cpp b/test/test_to_u32string.cpp
index d13f6819..df822bb9 100644
--- a/test/test_to_u32string.cpp
+++ b/test/test_to_u32string.cpp
@@ -51,7 +51,7 @@ namespace
     return os;
   }
 
-  SUITE(test_to_string)
+  SUITE(test_to_u32string)
   {
     //*************************************************************************
     TEST(test_default_format_no_append)