1 files changed, 1 insertions, 1 deletions
diff --git a/src/sord.c b/src/sord.c
index 104cc21..78ed919 100644
--- a/src/sord.c
+++ b/src/sord.c
@@ -1062,7 +1062,7 @@ sord_new_literal_counted(SordWorld*     world,
 	SordNode key = {
 		{ str, n_bytes, n_chars, flags, SERD_LITERAL }, 1, { { 0 } }
 	};
-	key.meta.lit.datatype = datatype;
+	key.meta.lit.datatype = sord_node_copy(datatype);
 	memset(key.meta.lit.lang, 0, sizeof(key.meta.lit.lang));
 	if (lang) {
 		strncpy(key.meta.lit.lang, lang, sizeof(key.meta.lit.lang));