diff --git a/src/main.rs b/src/main.rs
index a13173c..321a450 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -689,6 +689,16 @@ fn summarize(filter: &Option<String>, tail: usize, args: &Args) -> Result<(), St
         .collect();
     table_items.sort();

+    let total = SummaryTableItem {
+        month: "Total".to_owned(),
+        total_hours: table_items.iter().map(|i| i.total_hours)
+            .fold(HumanDuration { hours: 0, minutes: 0 }, |a, b| a + b),
+        hours_per_week: "-".to_owned(),
+        days: table_items.iter().map(|i| i.days).sum(),
+        nitems: table_items.iter().map(|i| i.nitems).sum(),
+    };
+    table_items.push(total);
+
     let items_slice = if tail == 0 {
         table_items.as_slice()
     } else {