diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 019b65c6deb..aff36a117a7 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -268,6 +268,8 @@ X86Subtarget::X86Subtarget(const Module &M, const std::string &FS, bool is64Bit)
       TargetType = isMingw;
     } else if (TT.find("win32") != std::string::npos) {
       TargetType = isWindows;
+    } else if (TT.find("windows") != std::string::npos) {
+      TargetType = isWindows;
     }
   } else if (TT.empty()) {
 #if defined(__CYGWIN__)