diff --git a/cozo-core/src/fixed_rule/algos/pagerank.rs b/cozo-core/src/fixed_rule/algos/pagerank.rs
index 62ac4c98..90a45cb4 100644
--- a/cozo-core/src/fixed_rule/algos/pagerank.rs
+++ b/cozo-core/src/fixed_rule/algos/pagerank.rs
@@ -40,6 +40,10 @@ impl FixedRule for PageRank {
 
         let (graph, indices, _) = edges.as_directed_graph(undirected)?;
 
+        if indices.is_empty() {
+            return Ok(())
+        }
+
         let (ranks, _n_run, _) = page_rank(
             &graph,
             PageRankConfig::new(iterations, epsilon as f64, theta),