diff --git a/flang/lib/Semantics/resolve-directives.cpp b/flang/lib/Semantics/resolve-directives.cpp
index 513e42bee976a..979570a7d4103 100644
--- a/flang/lib/Semantics/resolve-directives.cpp
+++ b/flang/lib/Semantics/resolve-directives.cpp
@@ -2052,6 +2052,8 @@ void OmpAttributeVisitor::Post(const parser::OpenMPAllocatorsConstruct &x) {
 static bool IsPrivatizable(const Symbol *sym) {
   auto *misc{sym->detailsIf<MiscDetails>()};
   return !IsProcedure(*sym) && !IsNamedConstant(*sym) &&
+      !semantics::IsAssumedSizeArray(
+          *sym) && /* OpenMP 5.2, 5.1.1: Assumed-size arrays are shared*/
       !sym->owner().IsDerivedType() &&
       sym->owner().kind() != Scope::Kind::ImpliedDos &&
       !sym->detailsIf<semantics::AssocEntityDetails>() &&
diff --git a/flang/test/Semantics/OpenMP/default-none.f90 b/flang/test/Semantics/OpenMP/default-none.f90
index 11ba878ea7794..761c2385466a0 100644
--- a/flang/test/Semantics/OpenMP/default-none.f90
+++ b/flang/test/Semantics/OpenMP/default-none.f90
@@ -47,3 +47,14 @@ subroutine sb4
     end do loop
   !$omp end parallel
 end subroutine
+
+! Test that default(none) does not error for assumed-size array
+subroutine sub( aaa)
+  real,dimension(*),intent(in)::aaa
+  integer::ip
+  real::ccc
+!$omp parallel do private(ip,ccc) default(none)
+  do ip = 1, 10
+     ccc= aaa(ip)
+  end do
+end subroutine sub