diff --git a/src/plugins/cpptools/cpptools.qbs b/src/plugins/cpptools/cpptools.qbs
index 1b2518cf115914be74ca6debc294d18e8fd366bb..d335deedac735af135e5deba97465d3945c3738c 100644
--- a/src/plugins/cpptools/cpptools.qbs
+++ b/src/plugins/cpptools/cpptools.qbs
@@ -102,6 +102,8 @@ QtcPlugin {
         "symbolsfindfilter.h",
         "uicodecompletionsupport.cpp",
         "uicodecompletionsupport.h",
+        "builtinindexingsupport.cpp",
+        "builtinindexingsupport.h"
     ]
 
     Group {