diff --git a/clang/lib/Basic/Targets/X86.h b/clang/lib/Basic/Targets/X86.h
index 2b8e9bbe16b3f5c3110b66054b320a1db75eb7fc..e0dee8ce737e85ec609580b3d2e88a8985461450 100644
--- a/clang/lib/Basic/Targets/X86.h
+++ b/clang/lib/Basic/Targets/X86.h
@@ -928,7 +928,7 @@ class LLVM_LIBRARY_VISIBILITY OHOSX86_64TargetInfo
 public:
   OHOSX86_64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
       : OHOSTargetInfo<X86_64TargetInfo>(Triple, Opts) {
-    LongDoubleFormat = &llvm::APFloat::IEEEquad();
+    LongDoubleFormat = &llvm::APFloat::x87DoubleExtended();
   }
 };
 } // namespace targets