diff --git a/swift/extractor/mangler/SwiftMangler.cpp b/swift/extractor/mangler/SwiftMangler.cpp
index 76735bdc09f..483c0ae73d2 100644
--- a/swift/extractor/mangler/SwiftMangler.cpp
+++ b/swift/extractor/mangler/SwiftMangler.cpp
@@ -314,9 +314,13 @@ SwiftMangledName SwiftMangler::visitAnyFunctionType(const swift::AnyFunctionType
   if (type->hasGlobalActor()) {
     ret << "_actor" << fetch(type->getGlobalActor());
   }
-  if (type->getIsolation().isErased()) {
+  const auto& isolation = type->getIsolation();
+  if (isolation.isErased()) {
     ret << "_isolated";
   }
+  if (isolation.isNonIsolatedCaller()) {
+    ret << "_nonisolatednonsending";
+  }
   // TODO: see if this needs to be used in identifying types, if not it needs to be removed from
   // type printing in the Swift compiler code
   assert(type->hasExtInfo() && "type must have ext info");