diff --git a/src/repository/mod.rs b/src/repository/mod.rs
index b730ea7..2315591 100644
--- a/src/repository/mod.rs
+++ b/src/repository/mod.rs
@@ -27,7 +27,7 @@ impl fmt::Display for Error {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq)]
 pub struct TagDetails {
     pub arch: Option<String>,
     pub os: Option<String>,
diff --git a/src/widget/details.rs b/src/widget/details.rs
index f4aa704..d7db2c7 100644
--- a/src/widget/details.rs
+++ b/src/widget/details.rs
@@ -18,6 +18,7 @@ impl Details {
         };
 
         detail.details.sort_by(|a, b| a.arch.cmp(&b.arch));
+        detail.details.dedup();
         detail
     }