diff --git a/src/configuration.h b/src/configuration.h
index 33f11bd766..15912be3f7 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -153,8 +153,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // ACCELEROMETER
 // -----------------------------------------------------------------------------
 #define MPU6050_ADDR 0x68
-#define STK8BXX_ADR 0x18
-#define LIS3DH_ADR 0x18
+#define STK8BXX_ADDR 0x18
+#define LIS3DH_ADDR 0x18
+#define LIS3DH_ADDR_ALT 0x19
 #define BMA423_ADDR 0x19
 #define LSM6DS3_ADDR 0x6A
 #define BMX160_ADDR 0x69
diff --git a/src/detect/ScanI2CTwoWire.cpp b/src/detect/ScanI2CTwoWire.cpp
index 995acbdb12..ef5e5ee004 100644
--- a/src/detect/ScanI2CTwoWire.cpp
+++ b/src/detect/ScanI2CTwoWire.cpp
@@ -409,7 +409,17 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
 #else
                 SCAN_SIMPLE_CASE(PMSA0031_ADDR, PMSA0031, "PMSA0031 air quality sensor found")
 #endif
-                SCAN_SIMPLE_CASE(BMA423_ADDR, BMA423, "BMA423 accelerometer found");
+            case BMA423_ADDR: // this can also be LIS3DH_ADDR_ALT
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x0F), 2);
+                if (registerValue == 0x3300 || registerValue == 0x3333) { // RAK4631 WisBlock has LIS3DH register at 0x3333
+                    type = LIS3DH;
+                    LOG_INFO("LIS3DH accelerometer found");
+                } else {
+                    type = BMA423;
+                    LOG_INFO("BMA423 accelerometer found");
+                }
+                break;
+
                 SCAN_SIMPLE_CASE(LSM6DS3_ADDR, LSM6DS3, "LSM6DS3 accelerometer found at address 0x%x", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(TCA9535_ADDR, TCA9535, "TCA9535 I2C expander found");
                 SCAN_SIMPLE_CASE(TCA9555_ADDR, TCA9555, "TCA9555 I2C expander found");