diff --git a/src/drivers/distance_sensor/ll40ls/ll40ls.cpp b/src/drivers/distance_sensor/ll40ls/ll40ls.cpp
index 6d74172f96..01fcccaba9 100644
--- a/src/drivers/distance_sensor/ll40ls/ll40ls.cpp
+++ b/src/drivers/distance_sensor/ll40ls/ll40ls.cpp
@@ -64,7 +64,7 @@ enum LL40LS_BUS {
 	LL40LS_BUS_PWM
 };
 
-static struct ll40ls_bus_option {
+static constexpr struct ll40ls_bus_option {
 	enum LL40LS_BUS busid;
 	const char *devname;
 	uint8_t busnum;