diff --git a/Cargo.lock b/Cargo.lock
index 5fccf636b..9643c9bff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1864,9 +1864,9 @@ dependencies = [
 
 [[package]]
 name = "fsrs"
-version = "1.2.0"
+version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a6f86707f3588ae410917427aa986e8b281fd0fad96480afd150f3e694c0d76"
+checksum = "1bbd56ab9e6c5d40802c7f73701b9cc4bccf9fa29037799a94ac9f1a94f1a5f7"
 dependencies = [
  "burn",
  "itertools 0.12.1",
diff --git a/Cargo.toml b/Cargo.toml
index b2c7e8ff3..513340be0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ git = "https://github.com/ankitects/linkcheck.git"
 rev = "184b2ca50ed39ca43da13f0b830a463861adb9ca"
 
 [workspace.dependencies.fsrs]
-version = "1.2.0"
+version = "1.2.2"
 # git = "https://github.com/open-spaced-repetition/fsrs-rs.git"
 # rev = "58ca25ed2bc4bb1dc376208bbcaed7f5a501b941"
 # path = "../open-spaced-repetition/fsrs-rs"
diff --git a/cargo/licenses.json b/cargo/licenses.json
index 6cb62274c..cb6768817 100644
--- a/cargo/licenses.json
+++ b/cargo/licenses.json
@@ -1225,7 +1225,7 @@
   },
   {
     "name": "fsrs",
-    "version": "1.2.0",
+    "version": "1.2.2",
     "authors": "Open Spaced Repetition",
     "repository": "https://github.com/open-spaced-repetition/fsrs-rs",
     "license": "BSD-3-Clause",
diff --git a/rslib/src/scheduler/fsrs/error.rs b/rslib/src/scheduler/fsrs/error.rs
index 7edd2c9e0..5c9f030ee 100644
--- a/rslib/src/scheduler/fsrs/error.rs
+++ b/rslib/src/scheduler/fsrs/error.rs
@@ -20,6 +20,13 @@ impl From<FSRSError> for AnkiError {
                     backtrace: None,
                 },
             },
+            FSRSError::InvalidDeckSize => AnkiError::InvalidInput {
+                source: InvalidInputError {
+                    message: "no cards to simulate".to_string(),
+                    source: None,
+                    backtrace: None,
+                },
+            },
         }
     }
 }
diff --git a/ts/routes/deck-options/FsrsOptions.svelte b/ts/routes/deck-options/FsrsOptions.svelte
index 319095e3e..905f41c13 100644
--- a/ts/routes/deck-options/FsrsOptions.svelte
+++ b/ts/routes/deck-options/FsrsOptions.svelte
@@ -319,8 +319,8 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
                 () => {},
             );
         } finally {
+            simulateProgressString = "";
             if (resp) {
-                simulateProgressString = "";
                 const dailyTimeCost = movingAverage(
                     resp.dailyTimeCost,
                     Math.round(simulateFsrsRequest.daysToSimulate / 50),
@@ -420,7 +420,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
 <div class="m-2">
     <details>
-        <summary>{tr.deckConfigComputeOptimalRetention()} (experimental)</summary>
+        <summary>{tr.deckConfigComputeOptimalRetention()}</summary>
 
         <SpinBoxRow
             bind:value={optimalRetentionRequest.daysToSimulate}