diff --git a/sycl/source/detail/kernel_bundle_impl.hpp b/sycl/source/detail/kernel_bundle_impl.hpp
index 4c7351db2940d..7f8886f8b3b27 100644
--- a/sycl/source/detail/kernel_bundle_impl.hpp
+++ b/sycl/source/detail/kernel_bundle_impl.hpp
@@ -270,7 +270,7 @@ class kernel_bundle_impl {
             &SpecConsts = ImgImpl->get_spec_const_data_ref();
         const std::vector<unsigned char> &Blob =
             ImgImpl->get_spec_const_blob_ref();
-        for (const std::pair<std::string,
+        for (const std::pair<const std::string,
                              std::vector<device_image_impl::SpecConstDescT>>
                  &SpecConst : SpecConsts) {
           if (SpecConst.second.front().IsSet)