diff --git a/lldb/source/Host/common/HostInfoBase.cpp b/lldb/source/Host/common/HostInfoBase.cpp
index e8088344422a7..9a7b77c19de1d 100644
--- a/lldb/source/Host/common/HostInfoBase.cpp
+++ b/lldb/source/Host/common/HostInfoBase.cpp
@@ -340,6 +340,7 @@ void HostInfoBase::ComputeHostArchitectureSupport(ArchSpec &arch_32,
   case llvm::Triple::ppc64le:
   case llvm::Triple::x86_64:
   case llvm::Triple::riscv64:
+  case llvm::Triple::loongarch64:
     arch_64.SetTriple(triple);
     arch_32.SetTriple(triple.get32BitArchVariant());
     break;