diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/deduct.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/deduct.pass.cpp
index e903cd0..ddb61a0 100644
--- a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/deduct.pass.cpp
+++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/deduct.pass.cpp
@@ -8,6 +8,7 @@
 
 // UNSUPPORTED: c++98, c++03, c++11, c++14
 // UNSUPPORTED: libcpp-no-deduction-guides
+// UNSUPPORTED: apple-clang-9
 
 // GCC's implementation of class template deduction is still immature and runs
 // into issues with libc++. However GCC accepts this code when compiling