diff --git a/.github/workflows/roa.yml b/.github/workflows/roa.yml
index a1fe294..579188b 100644
--- a/.github/workflows/roa.yml
+++ b/.github/workflows/roa.yml
@@ -25,7 +25,7 @@ jobs:
     - name: Run roa script
       shell: bash
       run: |
-        maxlen4=30
+        maxlen4=29
         maxlen6=64
         mkdir -p roa_dir
         python3 scripts/roa.py -m ${maxlen4} -M ${maxlen6}    -o roa_dir/roa46_bird2.conf
diff --git a/.github/workflows/test-your-pr.yml b/.github/workflows/test-your-pr.yml
index df29d4d..c867a22 100644
--- a/.github/workflows/test-your-pr.yml
+++ b/.github/workflows/test-your-pr.yml
@@ -26,7 +26,7 @@ jobs:
     - name: Run roa script
       shell: bash
       run: |
-        maxlen4=30
+        maxlen4=29
         maxlen6=64
         mkdir -p roa_dir
         python3 scripts/roa.py -m ${maxlen4} -M ${maxlen6}    -o roa_dir/roa46_bird2.conf