diff --git a/rslib/src/deckconfig/update.rs b/rslib/src/deckconfig/update.rs
index 2ddfe59fa..47ead45d7 100644
--- a/rslib/src/deckconfig/update.rs
+++ b/rslib/src/deckconfig/update.rs
@@ -11,6 +11,7 @@ use anki_proto::deck_config::deck_configs_for_update::current_deck::Limits;
 use anki_proto::deck_config::deck_configs_for_update::ConfigWithExtra;
 use anki_proto::deck_config::deck_configs_for_update::CurrentDeck;
 use anki_proto::decks::deck::normal::DayLimit;
+use fsrs::DEFAULT_WEIGHTS;
 
 use crate::config::StringKey;
 use crate::decks::NormalDeck;
@@ -38,10 +39,12 @@ impl Collection {
         &mut self,
         deck: DeckId,
     ) -> Result<anki_proto::deck_config::DeckConfigsForUpdate> {
+        let mut defaults = DeckConfig::default();
+        defaults.inner.fsrs_weights = DEFAULT_WEIGHTS.into();
         Ok(anki_proto::deck_config::DeckConfigsForUpdate {
             all_config: self.get_deck_config_with_extra_for_update()?,
             current_deck: Some(self.get_current_deck_for_update(deck)?),
-            defaults: Some(DeckConfig::default().into()),
+            defaults: Some(defaults.into()),
             schema_modified: self
                 .storage
                 .get_collection_timestamps()?
diff --git a/ts/deck-options/FsrsOptions.svelte b/ts/deck-options/FsrsOptions.svelte
index 59f9ccb1c..0afe34e39 100644
--- a/ts/deck-options/FsrsOptions.svelte
+++ b/ts/deck-options/FsrsOptions.svelte
@@ -214,7 +214,11 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 </SpinBoxFloatRow>
 
 <div class="ms-1 me-1">
-    <WeightsInputRow bind:value={$config.fsrsWeights} defaultValue={[]}>
+    <WeightsInputRow
+        bind:value={$config.fsrsWeights}
+        defaultValue={[]}
+        defaults={defaults.fsrsWeights}
+    >
         <SettingTitle>{tr.deckConfigWeights()}</SettingTitle>
     </WeightsInputRow>
 </div>
diff --git a/ts/deck-options/WeightsInput.svelte b/ts/deck-options/WeightsInput.svelte
index 2f4a387f7..f94c8b88b 100644
--- a/ts/deck-options/WeightsInput.svelte
+++ b/ts/deck-options/WeightsInput.svelte
@@ -4,9 +4,14 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 -->
 <script lang="ts">
     export let value: number[];
+    export let defaults: number[];
 
     let stringValue: string;
-    $: stringValue = value.map((v) => v.toFixed(4)).join(", ");
+    $: stringValue = render(value);
+
+    function render(weights: number[]): string {
+        return weights.map((v) => v.toFixed(4)).join(", ");
+    }
 
     function update(this: HTMLInputElement): void {
         value = this.value
@@ -17,4 +22,9 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     }
 </script>
 
-<textarea value={stringValue} on:blur={update} class="w-100" />
+<textarea
+    value={stringValue}
+    on:blur={update}
+    class="w-100"
+    placeholder={render(defaults)}
+/>
diff --git a/ts/deck-options/WeightsInputRow.svelte b/ts/deck-options/WeightsInputRow.svelte
index 6f3e4c30e..51076fbc9 100644
--- a/ts/deck-options/WeightsInputRow.svelte
+++ b/ts/deck-options/WeightsInputRow.svelte
@@ -7,12 +7,13 @@
     import RevertButton from "../components/RevertButton.svelte";
     import WeightsInput from "./WeightsInput.svelte";
 
-    export let value: any;
-    export let defaultValue: any;
+    export let value: number[];
+    export let defaultValue: number[];
+    export let defaults: number[];
 </script>
 
 <slot />
 <ConfigInput>
-    <WeightsInput bind:value />
+    <WeightsInput bind:value {defaults} />
     <RevertButton slot="revert" bind:value {defaultValue} />
 </ConfigInput>