diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index af9d18ab66108..ef7ae27a2694a 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -181,7 +181,7 @@ class DeserializedDeclsSourceRangePrinter : public ASTConsumer,
         if (MergedRanges.back().second < It->second)
           MergedRanges.back().second = It->second;
       }
-      Result.push_back({Data.Ref->getName(), MergedRanges});
+      Result.push_back({Data.Ref->getName(), std::move(MergedRanges)});
     }
     printJson(Result);
   }