X-Git-Url: http://nitlanguage.org

diff --git a/lib/standard/time.nit b/lib/standard/time.nit
index 09e8389..e0b3867 100644
--- a/lib/standard/time.nit
+++ b/lib/standard/time.nit
@@ -135,7 +135,9 @@ extern class Tm `{struct tm *`}
 		c_format = String_to_cstring(format);
 
 		res = strftime(buf, 100, c_format, recv);
-		return NativeString_to_s(buf);
+		String s = NativeString_to_s_with_copy(buf);
+		free(buf);
+		return s;
 	`}
 
 	redef fun to_s do return asctime.replace("\n", "")