diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/regions-linux-map.yaml b/lldb/packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/regions-linux-map.yaml
index 680ad623361e..3c0961eba077 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/regions-linux-map.yaml
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/postmortem/minidump-new/regions-linux-map.yaml
@@ -1,7 +1,7 @@
 --- !minidump
 Streams:         
   - Type:            SystemInfo
-    Processor Arch:  BP_ARM64
+    Processor Arch:  ARM64
     Platform ID:     Linux
     CSD Version:     '15E216'
     CPU:             
diff --git a/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp b/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp
index 99717e7fe34a..3c0e1cb49d1d 100644
--- a/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp
+++ b/lldb/source/Plugins/Process/minidump/MinidumpParser.cpp
@@ -173,6 +173,7 @@ ArchSpec MinidumpParser::GetArchitecture() {
   case ProcessorArchitecture::ARM:
     triple.setArch(llvm::Triple::ArchType::arm);
     break;
+  case ProcessorArchitecture::ARM64:
   case ProcessorArchitecture::BP_ARM64:
     triple.setArch(llvm::Triple::ArchType::aarch64);
     break;