diff --git a/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp b/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
index bdb218f0dbe7d..07f8a950d0daf 100644
--- a/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
+++ b/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
@@ -1796,6 +1796,7 @@ Expected<SmallVector<StringRef>> linkAndWrapDeviceFiles(
       // separate path inside 'linkDevice' call seen above.
       // This will eventually be refactored to use the 'common' wrapping logic
       // that is used for other offload kinds.
+      std::scoped_lock Guard(ImageMtx);
       WrappedOutput.push_back(*SYCLOutputOrErr);
     }