diff --git a/include/msiquery.h b/include/msiquery.h
index fa42f17ec47..6a1bfa43787 100644
--- a/include/msiquery.h
+++ b/include/msiquery.h
@@ -47,6 +47,7 @@ typedef enum tagMSICOSTTREE
 
 typedef enum tagMSIMODIFY
 {
+    MSIMODIFY_SEEK = -1,
     MSIMODIFY_REFRESH = 0,
     MSIMODIFY_INSERT = 1,
     MSIMODIFY_UPDATE = 2,