diff --git a/sgl-kernel/CMakeLists.txt b/sgl-kernel/CMakeLists.txt
index 828f23b33..3c3a9f416 100644
--- a/sgl-kernel/CMakeLists.txt
+++ b/sgl-kernel/CMakeLists.txt
@@ -174,6 +174,7 @@ option(SGL_KERNEL_ENABLE_BF16             "Enable BF16"             ON)
 option(SGL_KERNEL_ENABLE_FP8              "Enable FP8"              ON)
 option(SGL_KERNEL_ENABLE_FP4              "Enable FP4"              OFF)
 option(SGL_KERNEL_ENABLE_FA3              "Enable FA3"              ${DEFAULT_SGL_KERNEL_ENABLE_FA3})
+option(SGL_KERNEL_ENABLE_FA3_SPARSE_MASK  "Enable FA3 sparse mask kernels" OFF)
 option(SGL_KERNEL_ENABLE_SM90A            "Enable SM90A"            OFF)
 option(SGL_KERNEL_ENABLE_SM100A           "Enable SM100A"           OFF)
 
@@ -472,6 +473,9 @@ if (SGL_KERNEL_ENABLE_FA3)
     if(NOT ENABLE_BELOW_SM90)
         list(APPEND FLASH_OPS_COMPILE_DEFS FLASHATTENTION_DISABLE_SM8x)
     endif()
+    if(NOT SGL_KERNEL_ENABLE_FA3_SPARSE_MASK)
+        list(APPEND FLASH_OPS_COMPILE_DEFS FLASHATTENTION_DISABLE_SPARSE_MASK)
+    endif()
     target_compile_definitions(flash_ops PRIVATE ${FLASH_OPS_COMPILE_DEFS})
 endif()