diff --git a/src/tools/sequence_triage_ccr_cir.rs b/src/tools/sequence_triage_ccr_cir.rs
index 009abe7..67c01e1 100644
--- a/src/tools/sequence_triage_ccr_cir.rs
+++ b/src/tools/sequence_triage_ccr_cir.rs
@@ -534,11 +534,11 @@ mod tests {
         assert_eq!(output["sandwich"]["heatmap"].as_array().unwrap().len(), 1);
         assert_eq!(output["sandwich"]["heatmap"][0]["total"].as_u64(), Some(5));
         assert_eq!(
-            uri_prefix_group_occurrences(&output, "object", "rsync://example.net/pp/"),
+            uri_prefix_group_occurrences(&output, "object", "rsync://example.net/"),
             2
         );
         assert_eq!(
-            uri_prefix_group_occurrences(&output, "reject_uri", "rsync://example.net/pp/"),
+            uri_prefix_group_occurrences(&output, "reject_uri", "rsync://example.net/"),
             1
         );
         assert_eq!(asn_group_occurrences(&output, "vrp_output", "AS64496"), 1);
diff --git a/src/tools/sequence_triage_ccr_cir/sandwich.rs b/src/tools/sequence_triage_ccr_cir/sandwich.rs
index f7c796f..d6003b6 100644
--- a/src/tools/sequence_triage_ccr_cir/sandwich.rs
+++ b/src/tools/sequence_triage_ccr_cir/sandwich.rs
@@ -292,7 +292,7 @@ impl SandwichAnalysis {
     ) {
         match record.set_type {
             "object" | "reject_uri" => {
-                let prefix = uri_directory_prefix(&record.key);
+                let prefix = uri_host_prefix(&record.key);
                 let group_key = format!("{}|{}", record.set_type, prefix);
                 let group =
                     self.uri_prefix_groups
@@ -348,12 +348,11 @@ fn add_to_group(
     }
 }
 
-fn uri_directory_prefix(uri: &str) -> String {
+fn uri_host_prefix(uri: &str) -> String {
     let scheme_end = uri.find("://").map(|index| index + 3).unwrap_or(0);
-    if let Some(slash_index) = uri.rfind('/')
-        && slash_index >= scheme_end
-    {
-        return uri[..=slash_index].to_string();
+    if let Some(path_start) = uri[scheme_end..].find('/') {
+        let end = scheme_end + path_start + 1;
+        return uri[..end].to_string();
     }
     uri.to_string()
 }