diff --git a/ftl/core/errors.ftl b/ftl/core/errors.ftl
index 5f5ea6eb5..8e549ecb1 100644
--- a/ftl/core/errors.ftl
+++ b/ftl/core/errors.ftl
@@ -1,3 +1,5 @@
+errors-invalid-deck-name = Invalid deck name: { $reason }
 errors-invalid-input-empty = Invalid input.
 errors-invalid-input-details = Invalid input: { $details }
 errors-parse-number-fail = A number was invalid or out of range.
+errors-reason-filtered-parent = Filtered decks cannot be parent decks.
diff --git a/qt/aqt/deckbrowser.py b/qt/aqt/deckbrowser.py
index cd446fec9..05836f8dd 100644
--- a/qt/aqt/deckbrowser.py
+++ b/qt/aqt/deckbrowser.py
@@ -21,8 +21,8 @@ from aqt.utils import (
     getOnlyText,
     openLink,
     shortcut,
+    show_rename_deck_error,
     showInfo,
-    showWarning,
     tr,
 )
 
@@ -272,8 +272,8 @@ class DeckBrowser:
         try:
             self.mw.col.decks.rename(deck, newName)
             gui_hooks.sidebar_should_refresh_decks()
-        except DeckRenameError as e:
-            showWarning(e.description)
+        except DeckRenameError as err:
+            show_rename_deck_error(err)
             return
         self.show()
 
diff --git a/qt/aqt/dyndeckconf.py b/qt/aqt/dyndeckconf.py
index 8c88df964..6f47480b7 100644
--- a/qt/aqt/dyndeckconf.py
+++ b/qt/aqt/dyndeckconf.py
@@ -19,6 +19,7 @@ from aqt.utils import (
     restoreGeom,
     saveGeom,
     show_invalid_search_error,
+    show_rename_deck_error,
     showWarning,
     tr,
 )
@@ -244,7 +245,7 @@ class DeckConf(QDialog):
         except InvalidInput as err:
             show_invalid_search_error(err)
         except DeckRenameError as err:
-            showWarning(err.description)
+            show_rename_deck_error(err)
         else:
             if not self.mw.col.sched.rebuild_filtered_deck(self.deck["id"]):
                 if askUser(tr(TR.DECKS_THE_PROVIDED_SEARCH_DID_NOT_MATCH)):
diff --git a/qt/aqt/sidebar.py b/qt/aqt/sidebar.py
index 41856e3c7..db90c0846 100644
--- a/qt/aqt/sidebar.py
+++ b/qt/aqt/sidebar.py
@@ -23,8 +23,8 @@ from aqt.utils import (
     askUser,
     getOnlyText,
     show_invalid_search_error,
+    show_rename_deck_error,
     showInfo,
-    showWarning,
     tr,
 )
 
@@ -993,8 +993,8 @@ class SidebarTreeView(QTreeView):
         self.mw.checkpoint(tr(TR.ACTIONS_RENAME_DECK))
         try:
             self.mw.col.decks.rename(deck, new_name)
-        except DeckRenameError as e:
-            showWarning(e.description)
+        except DeckRenameError as err:
+            show_rename_deck_error(err)
             return
         self.refresh()
         self.mw.deckBrowser.refresh()
diff --git a/qt/aqt/utils.py b/qt/aqt/utils.py
index 8d94aa5c7..5d57bbf0a 100644
--- a/qt/aqt/utils.py
+++ b/qt/aqt/utils.py
@@ -36,7 +36,7 @@ from PyQt5.QtWidgets import (
 import anki
 import aqt
 from anki import Collection
-from anki.errors import InvalidInput
+from anki.errors import DeckRenameError, InvalidInput
 from anki.lang import TR  # pylint: disable=unused-import
 from anki.utils import invalidFilename, isMac, isWin, noBundledLibs, versionWithBuild
 from aqt.qt import *
@@ -146,6 +146,14 @@ def show_invalid_search_error(err: Exception) -> None:
     showWarning(text)
 
 
+def show_rename_deck_error(err: DeckRenameError) -> None:
+    if err.description == "deck was filtered":
+        reason = tr(TR.ERRORS_REASON_FILTERED_PARENT)
+    else:
+        reason = "unknown reason."
+    showWarning(tr(TR.ERRORS_INVALID_DECK_NAME, reason=reason))
+
+
 def showInfo(
     text: str,
     parent: Union[Literal[False], QDialog] = False,