diff --git a/reactos/base/system/msiexec/msiexec.xml b/reactos/base/system/msiexec/msiexec.rbuild
similarity index 100%
rename from reactos/base/system/msiexec/msiexec.xml
rename to reactos/base/system/msiexec/msiexec.rbuild
diff --git a/reactos/base/system/smss/smss.xml b/reactos/base/system/smss/smss.rbuild
similarity index 100%
rename from reactos/base/system/smss/smss.xml
rename to reactos/base/system/smss/smss.rbuild
diff --git a/reactos/base/system/system.rbuild b/reactos/base/system/system.rbuild
index 2d56055d375..7f7a7f4de01 100644
--- a/reactos/base/system/system.rbuild
+++ b/reactos/base/system/system.rbuild
@@ -13,6 +13,9 @@
     <directory name="lsass">
       <xi:include href="lsass/lsass.rbuild" />
     </directory>
+    <directory name="msiexec">
+      <xi:include href="msiexec/msiexec.rbuild" />
+    </directory>
     <directory name="regsvr32">
       <xi:include href="regsvr32/regsvr32.rbuild" />
     </directory>
@@ -22,6 +25,9 @@
     <directory name="services">
       <xi:include href="services/services.rbuild" />
     </directory>
+    <directory name="smss">
+      <xi:include href="smss/smss.rbuild" />
+    </directory>
     <directory name="userinit">
       <xi:include href="userinit/userinit.rbuild" />
     </directory>