diff --git a/.github/workflows/libjs-test262.yml b/.github/workflows/libjs-test262.yml
index 727c6d29237..f0011285145 100644
--- a/.github/workflows/libjs-test262.yml
+++ b/.github/workflows/libjs-test262.yml
@@ -110,6 +110,7 @@ jobs:
         run: |
           cp -f ../libjs-website/test262/data/per-file-master.json .
           cp -f ../libjs-website/test262/data/per-file-bytecode-master.json .
+          cp -f ../libjs-website/test262/data/per-file-bytecode-optimized-master.json .
           cp -f ../libjs-website/wasm/data/per-file-master.json wasm-per-file-master.json
 
       - name: Run test262 and test262-parser-tests
@@ -121,7 +122,8 @@ jobs:
             --test262-parser-tests ../test262-parser-tests \
             --results-json ../libjs-website/test262/data/results.json \
             --per-file-output ../libjs-website/test262/data/per-file-master.json \
-            --per-file-bytecode-output ../libjs-website/test262/data/per-file-bytecode-master.json
+            --per-file-bytecode-output ../libjs-website/test262/data/per-file-bytecode-master.json \
+            --per-file-bytecode-optimized-output ../libjs-website/test262/data/per-file-bytecode-optimized-master.json
 
       - name: Run test-wasm
         working-directory: libjs-test262/Build
@@ -170,6 +172,11 @@ jobs:
         working-directory: libjs-test262
         run: ./per_file_result_diff.py -o per-file-bytecode-master.json -n ../libjs-website/test262/data/per-file-bytecode-master.json
 
+      - name: Compare optimized bytecode
+        continue-on-error: true
+        working-directory: libjs-test262
+        run: ./per_file_result_diff.py -o per-file-bytecode-optimized-master.json -n ../libjs-website/test262/data/per-file-bytecode-optimized-master.json
+
       - name: Compare wasm
         continue-on-error: true
         working-directory: libjs-test262