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-rw-r--r--src/gui/RDFS.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gui/RDFS.cpp b/src/gui/RDFS.cpp
index 5a676cad..ed8d7e8c 100644
--- a/src/gui/RDFS.cpp
+++ b/src/gui/RDFS.cpp
@@ -234,7 +234,9 @@ range(World& world, const LilvNode* prop, bool recursive)
URISet ranges;
LILV_FOREACH(nodes, n, nodes) {
- ranges.insert(URI(lilv_node_as_string(lilv_nodes_get(nodes, n))));
+ if (lilv_node_is_uri(lilv_nodes_get(nodes, n))) {
+ ranges.insert(URI(lilv_node_as_string(lilv_nodes_get(nodes, n))));
+ }
}
if (recursive) {