diff --git a/libcxx/test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp b/libcxx/test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
index dda19a9517fb..652100c978b8 100644
--- a/libcxx/test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
+++ b/libcxx/test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
@@ -13,6 +13,10 @@
 
 // int overflow(int c);
 
+// There was an overflow in the dylib on older macOS versions
+// UNSUPPORTED: with_system_cxx_lib=macosx10.8
+// UNSUPPORTED: with_system_cxx_lib=macosx10.7
+
 #include <iostream>
 #include <string>
 #include <strstream>