diff --git a/codecompletion/completionworker.h b/codecompletion/completionworker.h
--- a/codecompletion/completionworker.h
+++ b/codecompletion/completionworker.h
@@ -32,7 +32,7 @@
     CompletionWorker(CompletionModel *parent);
 
 protected:
-    KDevelop::CodeCompletionContext *createCompletionContext(KDevelop::DUContextPointer context,
+    KDevelop::CodeCompletionContext *createCompletionContext(const KDevelop::DUContextPointer &context,
                                                              const QString &contextText,
                                                              const QString &followingText,
                                                              const KDevelop::CursorInRevision &position) const override;
diff --git a/codecompletion/completionworker.cpp b/codecompletion/completionworker.cpp
--- a/codecompletion/completionworker.cpp
+++ b/codecompletion/completionworker.cpp
@@ -27,7 +27,7 @@
 {
 }
 
-KDevelop::CodeCompletionContext *CompletionWorker::createCompletionContext(KDevelop::DUContextPointer context,
+KDevelop::CodeCompletionContext *CompletionWorker::createCompletionContext(const KDevelop::DUContextPointer &context,
                                                                            const QString &contextText,
                                                                            const QString &followingText,
                                                                            const KDevelop::CursorInRevision &position) const