diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index b6d39a5186b79..99a092d83d531 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -1348,6 +1348,7 @@ static bool isSignedCharDefault(const llvm::Triple &Triple) {
   case llvm::Triple::riscv64:
   case llvm::Triple::systemz:
   case llvm::Triple::xcore:
+  case llvm::Triple::xtensa:
     return false;
   }
 }
diff --git a/clang/test/Driver/xtensa-char.c b/clang/test/Driver/xtensa-char.c
new file mode 100644
index 0000000000000..13f8f67727e75
--- /dev/null
+++ b/clang/test/Driver/xtensa-char.c
@@ -0,0 +1,4 @@
+/// Check that char is unsigned by default.
+// RUN: %clang -### %s --target=xtensa -c 2>&1 | FileCheck %s
+// CHECK: "-cc1" "-triple" "xtensa"
+// CHECK-SAME: "-fno-signed-char"