diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 80728daca03c9..eb60d907d2218 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1596,28 +1596,27 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
       A->claim();
 
       if (Args.hasArg(options::OPT_spirv)) {
+        const llvm::StringMap<llvm::Triple::SubArchType> ValidTargets = {
+            {"vulkan1.2", llvm::Triple::SPIRVSubArch_v15},
+            {"vulkan1.3", llvm::Triple::SPIRVSubArch_v16}};
         llvm::Triple T(TargetTriple);
-        T.setArch(llvm::Triple::spirv);
-        T.setOS(llvm::Triple::Vulkan);
 
-        // Set specific Vulkan version if applicable.
+        // Set specific Vulkan version. Default to vulkan1.3.
+        auto TargetInfo = ValidTargets.find("vulkan1.3");
+        assert(TargetInfo != ValidTargets.end());
         if (const Arg *A = Args.getLastArg(options::OPT_fspv_target_env_EQ)) {
-          const llvm::StringMap<llvm::Triple::SubArchType> ValidTargets = {
-              {"vulkan1.2", llvm::Triple::SPIRVSubArch_v15},
-              {"vulkan1.3", llvm::Triple::SPIRVSubArch_v16}};
-
-          auto TargetInfo = ValidTargets.find(A->getValue());
-          if (TargetInfo != ValidTargets.end()) {
-            T.setOSName(TargetInfo->getKey());
-            T.setArch(llvm::Triple::spirv, TargetInfo->getValue());
-          } else {
+          TargetInfo = ValidTargets.find(A->getValue());
+          if (TargetInfo == ValidTargets.end()) {
             Diag(diag::err_drv_invalid_value)
                 << A->getAsString(Args) << A->getValue();
           }
           A->claim();
         }
-
-        TargetTriple = T.str();
+        if (TargetInfo != ValidTargets.end()) {
+          T.setOSName(TargetInfo->getKey());
+          T.setArch(llvm::Triple::spirv, TargetInfo->getValue());
+          TargetTriple = T.str();
+        }
       }
     } else {
       Diag(diag::err_drv_dxc_missing_target_profile);
diff --git a/clang/test/Driver/dxc_spirv.hlsl b/clang/test/Driver/dxc_spirv.hlsl
index e6624e5f1b3f6..65c9018dc54c5 100644
--- a/clang/test/Driver/dxc_spirv.hlsl
+++ b/clang/test/Driver/dxc_spirv.hlsl
@@ -3,7 +3,7 @@
 // RUN: %clang_dxc -T cs_6_0 -spirv -fspv-target-env=vulkan1.3 -### %s 2>&1 | FileCheck %s --check-prefix=CHECK-VULKAN13
 // RUN: not %clang_dxc -T cs_6_0 -spirv -fspv-target-env=vulkan1.0 -### %s 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR
 
-// CHECK: "-triple" "spirv-unknown-vulkan-compute"
+// CHECK: "-triple" "spirv1.6-unknown-vulkan1.3-compute"
 // CHECK-SAME: "-x" "hlsl"
 
 // CHECK-VULKAN12: "-triple" "spirv1.5-unknown-vulkan1.2-compute"