diff --git a/src/plugins/mesonprojectmanager/mesonprojectmanager.qbs b/src/plugins/mesonprojectmanager/mesonprojectmanager.qbs
index ed3f962c142..d08cda48d1f 100644
--- a/src/plugins/mesonprojectmanager/mesonprojectmanager.qbs
+++ b/src/plugins/mesonprojectmanager/mesonprojectmanager.qbs
@@ -86,6 +86,7 @@ Project {
 
         files: [
             "mesontools.h",
+            "mesontools.cpp",
             "tests/testmesonwrapper.cpp",
         ]
     }
@@ -101,6 +102,7 @@ Project {
 
         files: [
             "mesontools.h",
+            "mesontools.cpp",
             "mesoninfoparser.h",
             "tests/testmesoninfoparser.cpp",
         ]