diff --git a/lib/Support/Path.cpp b/lib/Support/Path.cpp
index 781c17c1879..7e02f5fecc3 100644
--- a/lib/Support/Path.cpp
+++ b/lib/Support/Path.cpp
@@ -999,7 +999,7 @@ file_magic identify_magic(StringRef Magic) {
         case 6: return file_magic::macho_dynamically_linked_shared_lib;
         case 7: return file_magic::macho_dynamic_linker;
         case 8: return file_magic::macho_bundle;
-        case 9: return file_magic::macho_dynamic_linker;
+        case 9: return file_magic::macho_dynamically_linked_shared_lib_stub;
         case 10: return file_magic::macho_dsym_companion;
       }
       break;
diff --git a/unittests/Support/Path.cpp b/unittests/Support/Path.cpp
index a12e9b79211..ae4c9eb207f 100644
--- a/unittests/Support/Path.cpp
+++ b/unittests/Support/Path.cpp
@@ -501,6 +501,8 @@ const char macho_dynamic_linker[] = "\xfe\xed\xfa\xce..........\x00\x07";
 const char macho_bundle[] = "\xfe\xed\xfa\xce..........\x00\x08";
 const char macho_dsym_companion[] = "\xfe\xed\xfa\xce..........\x00\x0a";
 const char windows_resource[] = "\x00\x00\x00\x00\x020\x00\x00\x00\xff";
+const char macho_dynamically_linked_shared_lib_stub[] =
+    "\xfe\xed\xfa\xce..........\x00\x09";
 
 TEST_F(FileSystemTest, Magic) {
   struct type {
@@ -526,6 +528,7 @@ TEST_F(FileSystemTest, Magic) {
     DEFINE(macho_dynamically_linked_shared_lib),
     DEFINE(macho_dynamic_linker),
     DEFINE(macho_bundle),
+    DEFINE(macho_dynamically_linked_shared_lib_stub),
     DEFINE(macho_dsym_companion),
     DEFINE(windows_resource)
 #undef DEFINE