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-rw-r--r--include/sord/sordmm.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sord/sordmm.hpp b/include/sord/sordmm.hpp
index b1226d6..3a7c0ea 100644
--- a/include/sord/sordmm.hpp
+++ b/include/sord/sordmm.hpp
@@ -92,7 +92,7 @@ public:
serd_env_set_prefix(_c_obj, &name_node, &uri_node);
}
- inline std::string qualify(std::string uri) const
+ inline std::string qualify(const std::string& uri) const
{
const SerdNode uri_node = string_to_node(SERD_URI, uri);
SerdNode prefix;