diff --git a/include/mscoree.idl b/include/mscoree.idl
index 19749fbfba3..56861cd8066 100644
--- a/include/mscoree.idl
+++ b/include/mscoree.idl
@@ -36,6 +36,16 @@ cpp_quote("HRESULT     WINAPI LockClrVersion(FLockClrVersionCallback,FLockClrVer
 
 typedef void* HDOMAINENUM;
 
+typedef enum RUNTIME_INFO_FLAGS {
+    RUNTIME_INFO_UPGRADE_VERSION = 0x1,
+    RUNTIME_INFO_REQUEST_IA64 = 0x2,
+    RUNTIME_INFO_REQUEST_AMD64 = 0x4,
+    RUNTIME_INFO_REQUEST_X86 = 0x8,
+    RUNTIME_INFO_DONT_RETURN_DIRECTORY = 0x10,
+    RUNTIME_INFO_DONT_RETURN_VERSION = 0x20,
+    RUNTIME_INFO_DONT_SHOW_ERROR_DIALOG = 0x40
+} RUNTIME_INFO_FLAGS;
+
 [
     uuid(F31D1788-C397-4725-87A5-6AF3472C2791),
     version(1.0),