diff --git a/sgl-kernel/CMakeLists.txt b/sgl-kernel/CMakeLists.txt
index 9a438591a..5fe330e9a 100644
--- a/sgl-kernel/CMakeLists.txt
+++ b/sgl-kernel/CMakeLists.txt
@@ -124,14 +124,16 @@ if(CCACHE_FOUND AND ENABLE_CCACHE AND DEFINED ENV{CCACHE_DIR})
     set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "ccache")
 endif()
 
-# Enable gencode below SM90
-option(ENABLE_BELOW_SM90 "Enable below SM90" ON)
-
-if (CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
-    set(ENABLE_BELOW_SM90 OFF)
+# Configure gencode below SM90
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
+    set(DEFAULT_ENABLE_BELOW_SM90 OFF)
     message(STATUS "For aarch64, disable gencode below SM90 by default")
+else()
+    set(DEFAULT_ENABLE_BELOW_SM90 ON)
 endif()
 
+option(ENABLE_BELOW_SM90 "Enable gencode below SM90" ${DEFAULT_ENABLE_BELOW_SM90})
+
 include_directories(
     ${PROJECT_SOURCE_DIR}/include
     ${PROJECT_SOURCE_DIR}/csrc