diff --git a/lhcbnightlyconf/lcg_nightlies.py b/lhcbnightlyconf/lcg_nightlies.py
index d1b1ff162db151a53a232d567da7f1a6d58dcf20..d7de3446defbd413d1da2397fd9b9e03757f2502 100644
--- a/lhcbnightlyconf/lcg_nightlies.py
+++ b/lhcbnightlyconf/lcg_nightlies.py
@@ -59,6 +59,7 @@ PLATFORMS = [
     "x86_64_v2-el9-clang16-opt",
     "x86_64_v2-el9-clang16-dbg",
     "x86_64_v2-el9-gcc13+detdesc-dbg",
+    "armv8.1_a-el9-gcc13-opt",
     "armv8.1_a-el9-gcc13-dbg",
 ]