diff --git a/src/documents.rs b/src/documents.rs
index 3b34919..dc51a9e 100644
--- a/src/documents.rs
+++ b/src/documents.rs
@@ -26,10 +26,11 @@ impl Document {
     /// retrieved excerpts can be traced back to their position in the
     /// source file.
     fn from_chunk(path: &Path, index: usize, chunk: &str, total: usize) -> Self {
-        let source = if total > 1 {
-            format!("{} (part {}/{total})", path.display(), index + 1)
-        } else {
-            path.display().to_string()
+        let source = match total {
+            total_chunks if total_chunks > 1 => {
+                format!("{} (part {}/{total})", path.display(), index + 1)
+            }
+            _ => path.display().to_string(),
         };
 
         Self {