diff --git a/.github/workflows/spec_test_on_nuttx.yml b/.github/workflows/spec_test_on_nuttx.yml
index 1fa314010..1dbeb8348 100644
--- a/.github/workflows/spec_test_on_nuttx.yml
+++ b/.github/workflows/spec_test_on_nuttx.yml
@@ -22,11 +22,14 @@ on:
 
   workflow_dispatch:
 
+# Note on INTERPRETERS_WAMR_STACK_GUARD_SIZE:
+# https://github.com/apache/nuttx-apps/pull/2241 is not included in
+# releases/12.4 branch as of writing this.
 env:
   LLVM_CACHE_SUFFIX: "build-llvm_libraries_ex"
   WASI_SDK_PATH: "/opt/wasi-sdk"
   WAMR_COMMON_OPTION:
-    "CONFIG_INTERPRETERS_WAMR=y\\nCONFIG_INTERPRETERS_WAMR_STACKSIZE=327680\\nCONFIG_INTERPRETERS_WAMR_LOG=y\\nCONFIG_INTERPRETERS_WAMR_LIBC_BUILTIN=y\\nCONFIG_INTERPRETERS_WAMR_REF_TYPES=y\\nCONFIG_INTERPRETERS_WAMR_ENABLE_SPEC_TEST=y\\nCONFIG_INTERPRETERS_WAMR_SHARED_MEMORY=y\\nCONFIG_INTERPRETERS_WAMR_BULK_MEMORY=y\\nCONFIG_EOL_IS_LF=y\\nCONFIG_ARM_SEMIHOSTING_HOSTFS=y\\nCONFIG_ARM_SEMIHOSTING_HOSTFS_CACHE_COHERENCE=y\\nCONFIG_RISCV_SEMIHOSTING_HOSTFS=y\\nCONFIG_FS_HOSTFS=y\\nCONFIG_LIBC_FLOATINGPOINT=y\\n"
+    "CONFIG_INTERPRETERS_WAMR=y\\nCONFIG_INTERPRETERS_WAMR_STACKSIZE=327680\\nCONFIG_INTERPRETERS_WAMR_LOG=y\\nCONFIG_INTERPRETERS_WAMR_LIBC_BUILTIN=y\\nCONFIG_INTERPRETERS_WAMR_REF_TYPES=y\\nCONFIG_INTERPRETERS_WAMR_ENABLE_SPEC_TEST=y\\nCONFIG_INTERPRETERS_WAMR_SHARED_MEMORY=y\\nCONFIG_INTERPRETERS_WAMR_BULK_MEMORY=y\\nCONFIG_EOL_IS_LF=y\\nCONFIG_ARM_SEMIHOSTING_HOSTFS=y\\nCONFIG_ARM_SEMIHOSTING_HOSTFS_CACHE_COHERENCE=y\\nCONFIG_RISCV_SEMIHOSTING_HOSTFS=y\\nCONFIG_FS_HOSTFS=y\\nCONFIG_LIBC_FLOATINGPOINT=y\\nCONFIG_INTERPRETERS_WAMR_STACK_GUARD_SIZE=1024\\n"
 
 jobs:
   build_llvm_libraries: