diff --git a/rslib/src/decks/reparent.rs b/rslib/src/decks/reparent.rs
index a9fcd318f..bfb3fee05 100644
--- a/rslib/src/decks/reparent.rs
+++ b/rslib/src/decks/reparent.rs
@@ -36,6 +36,9 @@ impl Collection {
         for deck in deck_ids {
             if let Some(mut deck) = self.storage.get_deck(*deck)? {
                 if let Some(new_name) = deck.name.reparented_name(target_name) {
+                    if new_name == deck.name {
+                        continue;
+                    }
                     count += 1;
                     let orig = deck.clone();
 
diff --git a/rslib/src/tags/reparent.rs b/rslib/src/tags/reparent.rs
index 5d643379b..cbab806ff 100644
--- a/rslib/src/tags/reparent.rs
+++ b/rslib/src/tags/reparent.rs
@@ -109,11 +109,21 @@ fn reparented_name(existing_name: &str, new_parent: Option<&str>) -> Option<Stri
             None
         } else {
             // foo::bar onto baz -> baz::bar
-            Some(format!("{}::{}", new_parent, existing_base))
+            let new_name = format!("{}::{}", new_parent, existing_base);
+            if new_name != existing_name {
+                Some(new_name)
+            } else {
+                None
+            }
         }
     } else {
         // foo::bar onto top level -> bar
-        Some(existing_base.into())
+        let new_name = existing_base.into();
+        if new_name != existing_name {
+            Some(new_name)
+        } else {
+            None
+        }
     }
 }