diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 24062e3..0726383 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -149,7 +149,7 @@ if(NOT USE_SYSTEM_NCNN)
     option(WITH_LAYER_lstm "" OFF)
     option(WITH_LAYER_binaryop "" ON)
     option(WITH_LAYER_unaryop "" ON)
-    option(WITH_LAYER_convolutiondepthwise "" OFF)
+    option(WITH_LAYER_convolutiondepthwise "" ON)
     option(WITH_LAYER_padding "" ON)
     option(WITH_LAYER_squeeze "" OFF)
     option(WITH_LAYER_expanddims "" OFF)