diff --git a/dbus/Makefile b/dbus/Makefile
index 92eed7c..312e07a 100644
--- a/dbus/Makefile
+++ b/dbus/Makefile
@@ -161,6 +161,6 @@ BIN := $(APPDIR)/staging/libtelephony.a
 endif
 
 WASM_INITIAL_MEMORY = 131072
-WASM_BUILD = n
+WASM_BUILD = both
 
 include $(APPDIR)/Application.mk
diff --git a/glib/Makefile b/glib/Makefile
index e837c54..75aa15c 100644
--- a/glib/Makefile
+++ b/glib/Makefile
@@ -42,6 +42,6 @@ ifneq ($(NOEXPORTSRCS),)
 BIN := $(APPDIR)/staging/libtelephony.a
 endif
 
-WASM_BUILD = y
+WASM_BUILD = both
 
 include $(APPDIR)/Application.mk
diff --git a/ofono/Kconfig b/ofono/Kconfig
index 09ab3cd..efae028 100644
--- a/ofono/Kconfig
+++ b/ofono/Kconfig
@@ -65,6 +65,13 @@ config OFONO_PLUGIN_DIR
 	---help---
 		Directory for the loading plugins.
 
+config OFONO_WASM
+	bool "Compile to Wasm"
+	default n
+	---help---
+		Compile ofono to Wasm module instead of builitn app,
+		only available if any wasm runtime eanbled.
+
 config OFONO_DATA_LOG_OVER_MIWEAR
 	bool "support data log over miwear"
 	default n
diff --git a/ofono/Makefile b/ofono/Makefile
index 69ee58d..c9789a1 100644
--- a/ofono/Makefile
+++ b/ofono/Makefile
@@ -133,7 +133,9 @@ clean::
 
 endif
 
+ifneq ($(CONFIG_OFONO_WASM),)
 WASM_INITIAL_MEMORY = 327680
-WASM_BUILD          = n
+WASM_BUILD          = y
+endif
 
 include $(APPDIR)/Application.mk