1 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/cmakeprojectmanager/cmakeproject.cpp b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
index cb085b3b5c..a13c046961 100644
--- a/src/plugins/cmakeprojectmanager/cmakeproject.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
@@ -728,7 +728,9 @@ void CMakeProject::createGeneratedCodeModelSupport()
             = Utils::transform<QSet>(factories, [](const ExtraCompilerFactory *f) { return f->sourceTag(); });
 
     // Find all files generated by any of the extra compilers, in a rather crude way.
-    const FileNameList fileList = files(SourceFiles, [&fileExtensions](const Node *n) {
+    const FileNameList fileList = files([&fileExtensions](const Node *n) {
+        if (!SourceFiles(n))
+            return false;
         const QString fp = n->filePath().toString();
         const int pos = fp.lastIndexOf('.');
         return pos >= 0 && fileExtensions.contains(fp.mid(pos + 1));