diff --git a/code/nrf-connect/prstlib/include/prstlib/macros.h b/code/nrf-connect/prstlib/include/prstlib/macros.h
index 2049d9e..0e93aac 100644
--- a/code/nrf-connect/prstlib/include/prstlib/macros.h
+++ b/code/nrf-connect/prstlib/include/prstlib/macros.h
@@ -21,4 +21,6 @@
 
 #define UNUSED_OK(expr) (void)expr;
 
+#define DOUBLE_PROMO_OK(expr) (double)(expr)
+
 #endif  // _PRST_MACROS_H_
\ No newline at end of file
diff --git a/code/nrf-connect/prstlib/src/adc.c b/code/nrf-connect/prstlib/src/adc.c
index 33c1df6..e2a26dc 100644
--- a/code/nrf-connect/prstlib/src/adc.c
+++ b/code/nrf-connect/prstlib/src/adc.c
@@ -97,7 +97,8 @@ static inline float get_soil_moisture_percent(float battery_voltage,
   const float wet = eval_poly(wet_coeffs, x);
   const float percent = (raw_adc_output - dry) / (wet - dry);
   LOG_DBG("Read soil moisture 2: %.2f | Raw %u | Batt: %.2f | Dry: %.2f | Wet: %.2f",
-          100.0f * percent, raw_adc_output, x, dry, wet);
+          DOUBLE_PROMO_OK(100 * percent),
+          raw_adc_output, DOUBLE_PROMO_OK(x), DOUBLE_PROMO_OK(dry), DOUBLE_PROMO_OK(wet));
   return percent;
 }
 
@@ -177,7 +178,7 @@ int prst_adc_photo_read(float battery_voltage, prst_adc_photo_sensor_t* out) {
   const float current_sun = 3.59e-3f;
   const float current = out->adc_read.voltage / phototransistor_resistor;
   out->brightness = MAX(0, MIN(lux_sun * current / current_sun, UINT16_MAX));
-  LOG_DBG("Read phototransistor: %u lx | %.2f V", out->brightness, out->adc_read.voltage);
+  LOG_DBG("Read phototransistor: %u lx | %.2f V", out->brightness, DOUBLE_PROMO_OK(out->adc_read.voltage));
 
 #elif DT_NODE_EXISTS(DT_NODELABEL(ldr))
   RET_IF_ERR(gpio_pin_set_dt(&ldr_enable_dt, 1));
@@ -201,7 +202,7 @@ int prst_adc_photo_read(float battery_voltage, prst_adc_photo_sensor_t* out) {
   const float pow_value = 1.5832f;
   out->brightness =
       MAX(0, MIN(mult_value / powf(photo_resistance, pow_value), UINT16_MAX));
-  LOG_DBG("Read LDR: %u lx | %.2f V", out->brightness, out->adc_read.voltage);
+  LOG_DBG("Read LDR: %u lx | %.2f V", out->brightness, DOUBLE_PROMO_OK(out->adc_read.voltage));
 
 #endif
 
diff --git a/code/nrf-connect/prstlib/src/sensors.c b/code/nrf-connect/prstlib/src/sensors.c
index ce9bfd5..1cc6694 100644
--- a/code/nrf-connect/prstlib/src/sensors.c
+++ b/code/nrf-connect/prstlib/src/sensors.c
@@ -15,12 +15,12 @@ int prst_sensors_read_all(prst_sensors_t *sensors) {
   RET_IF_ERR(prst_shtc3_read(&sensors->shtc3))
 
   LOG_DBG("Batt: %d mV (%.2f%%)", sensors->batt.adc_read.millivolts,
-          100 * sensors->batt.percentage);
-  LOG_DBG("Soil: %.0f %%", 100 * sensors->soil.percentage);
+          DOUBLE_PROMO_OK(100 * sensors->batt.percentage));
+  LOG_DBG("Soil: %.0f %%", DOUBLE_PROMO_OK(100 * sensors->soil.percentage));
   LOG_DBG("Photo: %u lx (%d mV)", sensors->photo.brightness,
           sensors->photo.adc_read.millivolts);
-  LOG_DBG("Temp: %f oC", sensors->shtc3.temp_c);
-  LOG_DBG("Humi: %.0f %%", 100 * sensors->shtc3.rel_humi);
+  LOG_DBG("Temp: %f oC", DOUBLE_PROMO_OK(sensors->shtc3.temp_c));
+  LOG_DBG("Humi: %.0f %%", DOUBLE_PROMO_OK(100 * sensors->shtc3.rel_humi));
   LOG_DBG("--------------------------------------------------");
 
   return 0;
diff --git a/code/nrf-connect/prstlib/src/shtc3.c b/code/nrf-connect/prstlib/src/shtc3.c
index f42e68d..d56629b 100644
--- a/code/nrf-connect/prstlib/src/shtc3.c
+++ b/code/nrf-connect/prstlib/src/shtc3.c
@@ -46,7 +46,7 @@ int prst_shtc3_read(prst_shtc3_read_t *out) {
   out->temp_c = -45 + 175 * ((float)((buff[0] << 8) | buff[1])) / (1 << 16);
   out->rel_humi = ((float)((buff[3] << 8) | buff[4])) / UINT16_MAX;
 
-  LOG_DBG("Read temp: %f oC (%d)", out->temp_c, (int)out->temp_c);
-  LOG_DBG("Read humi: %.0f %%", 100.0 * out->rel_humi);
+  LOG_DBG("Read temp: %f oC (%d)", DOUBLE_PROMO_OK(out->temp_c), (int)out->temp_c);
+  LOG_DBG("Read humi: %.0f %%", DOUBLE_PROMO_OK(100.0f * out->rel_humi));
   return 0;
 }
\ No newline at end of file