diff --git a/clang/test/Driver/tls-dialect.c b/clang/test/Driver/tls-dialect.c
index 3471b55b0eba..9ab79e87353d 100644
--- a/clang/test/Driver/tls-dialect.c
+++ b/clang/test/Driver/tls-dialect.c
@@ -10,6 +10,11 @@
 /// TLSDESC is not on by default in Linux, even on RISC-V, and is covered above
 // RUN: %clang -### --target=riscv64-android %s 2>&1 | FileCheck --check-prefix=DESC %s
 
+/// Fuchsia supports TLSDESC by default for all architectures.
+// RUN: %clang -### --target=riscv64-unknown-fuchsia %s 2>&1 | FileCheck --check-prefix=DESC %s
+// RUN: %clang -### --target=aarch64-unknown-fuchsia %s 2>&1 | FileCheck --check-prefix=DESC %s
+// RUN: %clang -### --target=x86_64-unknown-fuchsia %s 2>&1 | FileCheck --check-prefix=DESC %s
+
 /// LTO
 // RUN: %clang -### --target=loongarch64-linux -flto -mtls-dialect=desc %s 2>&1 | FileCheck --check-prefix=LTO-DESC %s
 // RUN: %clang -### --target=loongarch64-linux -flto %s 2>&1 | FileCheck --check-prefix=LTO-NODESC %s
diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h
index 7d67966d1725..09c0d223d9b4 100644
--- a/llvm/include/llvm/TargetParser/Triple.h
+++ b/llvm/include/llvm/TargetParser/Triple.h
@@ -1123,9 +1123,10 @@ public:
            isWindowsCygwinEnvironment() || isOHOSFamily();
   }
 
-  /// True if the target supports both general-dynamic and TLSDESC, and TLSDESC
-  /// is enabled by default.
-  bool hasDefaultTLSDESC() const { return isAndroid() && isRISCV64(); }
+  /// True if the target uses TLSDESC by default.
+  bool hasDefaultTLSDESC() const {
+    return isAArch64() || (isAndroid() && isRISCV64()) || isOSFuchsia();
+  }
 
   /// Tests whether the target uses -data-sections as default.
   bool hasDefaultDataSections() const {