diff --git a/src/drivers/hott/CMakeLists.txt b/src/drivers/hott/CMakeLists.txt
index 827c720317..b309930001 100644
--- a/src/drivers/hott/CMakeLists.txt
+++ b/src/drivers/hott/CMakeLists.txt
@@ -30,10 +30,12 @@
 # POSSIBILITY OF SUCH DAMAGE.
 #
 ############################################################################
+set(MODULE_CFLAGS -Os)
+list(APPEND MODULE_CFLAGS -Wframe-larger-than=1100)
 px4_add_module(
 	MODULE drivers__hott
 	COMPILE_FLAGS
-		-Os
+		${MODULE_CFLAGS}
 	SRCS
 		messages.cpp
 		comms.cpp