diff --git a/platformio.ini b/platformio.ini
index 440447d9a..a6c0ef5cb 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -196,4 +196,5 @@ lib_deps =
 	# renovate: datasource=custom.pio depName=Bosch BME68x packageName=boschsensortec/library/BME68x Sensor Library
 	boschsensortec/BME68x Sensor Library@1.3.40408
 	# renovate: datasource=git-refs depName=meshtastic-DFRobot_LarkWeatherStation packageName=https://github.com/meshtastic/DFRobot_LarkWeatherStation gitBranch=master
-	https://github.com/meshtastic/DFRobot_LarkWeatherStation/archive/4de3a9cadef0f6a5220a8a906cf9775b02b0040d.zip
\ No newline at end of file
+	https://github.com/meshtastic/DFRobot_LarkWeatherStation/archive/4de3a9cadef0f6a5220a8a906cf9775b02b0040d.zip
+        sensirion/Sensirion I2C SCD4x@^0.4.0
diff --git a/src/configuration.h b/src/configuration.h
index 9a4d7ad13..990a57b26 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -190,6 +190,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define NAU7802_ADDR 0x2A
 #define SCD4X_ADDR 0x62
 #define MAX30102_ADDR 0x57
+#define SCD4X_ADDR 0x62
 #define MLX90614_ADDR_DEF 0x5A
 #define CGRADSENS_ADDR 0x66
 #define LTR390UV_ADDR 0x53
diff --git a/src/detect/ScanI2CTwoWire.cpp b/src/detect/ScanI2CTwoWire.cpp
index fb2901d72..7cd382f7e 100644
--- a/src/detect/ScanI2CTwoWire.cpp
+++ b/src/detect/ScanI2CTwoWire.cpp
@@ -448,6 +448,7 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                 SCAN_SIMPLE_CASE(LTR390UV_ADDR, LTR390UV, "LTR390UV", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(SCD4X_ADDR, SCD4X, "SCD4X", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(PCT2075_ADDR, PCT2075, "PCT2075", (uint8_t)addr.address);
+                SCAN_SIMPLE_CASE(SCD4X_ADDR, SCD4X, "SCD4X", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(BMM150_ADDR, BMM150, "BMM150", (uint8_t)addr.address);
 #ifdef HAS_TPS65233
                 SCAN_SIMPLE_CASE(TPS65233_ADDR, TPS65233, "TPS65233", (uint8_t)addr.address);
@@ -557,4 +558,4 @@ void ScanI2CTwoWire::logFoundDevice(const char *device, uint8_t address)
 {
     LOG_INFO("%s found at address 0x%x", device, address);
 }
-#endif
\ No newline at end of file
+#endif