diff --git a/src/modules/sensors/sensor_params.c b/src/modules/sensors/sensor_params.c
index 6b90a12391..8f6e7abe60 100644
--- a/src/modules/sensors/sensor_params.c
+++ b/src/modules/sensors/sensor_params.c
@@ -205,7 +205,7 @@ PARAM_DEFINE_FLOAT(SENS_DPRES_OFF, 0.0f);
  *
  * Pick the appropriate scaling from the datasheet.
  * this number defines the (linear) conversion from voltage
- * to Pascal (pa).
+ * to Pascal (pa). For the MPXV7002DP this is 1000.
  *
  * @group Sensor Calibration
  */
diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp
index 0cad0c0e58..cda79693d2 100644
--- a/src/modules/sensors/sensors.cpp
+++ b/src/modules/sensors/sensors.cpp
@@ -1330,12 +1330,12 @@ Sensors::adc_poll(struct sensor_combined_s &raw)
 					 * a valid voltage from a connected sensor. Also assume a non-
 					 * zero offset from the sensor if its connected.
 					 */
-					if (voltage > 0.4f && (_parameters.diff_pres_analog_scale > 0)) {
+					if (voltage > 0.4f && (_parameters.diff_pres_analog_scale > 0.0f)) {
 
-						float diff_pres_pa = voltage * _parameters.diff_pres_analog_scale;
+						float diff_pres_pa = voltage * _parameters.diff_pres_analog_scale - _parameters.diff_pres_offset_pa;
 
 						_diff_pres.timestamp = t;
-						_diff_pres.differential_pressure_pa = diff_pres_pa - _parameters.diff_pres_offset_pa;
+						_diff_pres.differential_pressure_pa = diff_pres_pa;
 						_diff_pres.differential_pressure_raw_pa = diff_pres_pa;
 						_diff_pres.differential_pressure_filtered_pa = diff_pres_pa;
 						_diff_pres.temperature = -1000.0f;