diff --git a/reactos/sdk/include/psdk/msidefs.h b/reactos/sdk/include/psdk/msidefs.h
index 640bfa16ef3..c37e5b87630 100644
--- a/reactos/sdk/include/psdk/msidefs.h
+++ b/reactos/sdk/include/psdk/msidefs.h
@@ -200,6 +200,11 @@ enum msidbServiceControlEvent
     msidbServiceControlEventUninstallDelete = 0x00000080,
 };
 
+enum msidbServiceInstallErrorControl
+{
+    msidbServiceInstallErrorControlVital = 0x00008000
+};
+
 enum msidbMoveFileOptions
 {
     msidbMoveFileOptionsMove = 0x00000001,