diff --git a/drivers/iio/chemical/scd30_i2c.c b/drivers/iio/chemical/scd30_i2c.c
index 436df9c61a71..bf465cc71be7 100644
--- a/drivers/iio/chemical/scd30_i2c.c
+++ b/drivers/iio/chemical/scd30_i2c.c
@@ -20,7 +20,7 @@
 #define SCD30_I2C_MAX_BUF_SIZE 18
 #define SCD30_I2C_CRC8_POLYNOMIAL 0x31
 
-static u16 scd30_i2c_cmd_lookup_tbl[] = {
+static const u16 scd30_i2c_cmd_lookup_tbl[] = {
 	[CMD_START_MEAS] = 0x0010,
 	[CMD_STOP_MEAS] = 0x0104,
 	[CMD_MEAS_INTERVAL] = 0x4600,