diff --git a/reactos/dll/win32/msi/msi.rbuild b/reactos/dll/win32/msi/msi.rbuild
index 3f441ded101..aa16295a0ac 100644
--- a/reactos/dll/win32/msi/msi.rbuild
+++ b/reactos/dll/win32/msi/msi.rbuild
@@ -50,6 +50,7 @@
 	<file>update.c</file>
 	<file>upgrade.c</file>
 	<file>where.c</file>
+	<file>msiserver.idl</file>
 	<file>msi.rc</file>
 	<include base="msi" root="intermediate">.</include>
 	<file>msi.spec</file>