diff --git a/src/helpers/stm32/InternalFileSystem.cpp b/src/helpers/stm32/InternalFileSystem.cpp
index 2714ec6b..dc032eb9 100644
--- a/src/helpers/stm32/InternalFileSystem.cpp
+++ b/src/helpers/stm32/InternalFileSystem.cpp
@@ -126,11 +126,14 @@ InternalFileSystem::InternalFileSystem(void)
 
 bool InternalFileSystem::begin(void)
 {
+  volatile bool format_fs;
   #ifdef FORMAT_FS
-  this->format();
+  format_fs = true;
+  #else
+  format_fs = false; // you can always use debugger to force formatting ;)
   #endif
   // failed to mount, erase all sector then format and mount again
-  if ( !Adafruit_LittleFS::begin() )
+  if ( format_fs || !Adafruit_LittleFS::begin() )
   {
     // lfs format
     this->format();
diff --git a/variants/wio-e5-mini/target.cpp b/variants/wio-e5-mini/target.cpp
index 7a2b0d39..e3dd2ec7 100644
--- a/variants/wio-e5-mini/target.cpp
+++ b/variants/wio-e5-mini/target.cpp
@@ -18,8 +18,7 @@ static const Module::RfSwitchMode_t rfswitch_table[] = {
 };
 
 VolatileRTCClock rtc_clock;
-BME280I2C bme;   
-WIOE5SensorManager sensors(bme);
+WIOE5SensorManager sensors;
 
 #ifndef LORA_CR
   #define LORA_CR      5
@@ -73,9 +72,9 @@ bool WIOE5SensorManager::querySensors(uint8_t requester_permissions, CayenneLPP&
   float temp(NAN), hum(NAN), pres(NAN);
 
   BME280::TempUnit tempUnit(BME280::TempUnit_Celsius);
-  BME280::PresUnit presUnit(BME280::PresUnit_bar);
+  BME280::PresUnit presUnit(BME280::PresUnit_hPa);
 
-  _bme->read(pres, temp, hum, tempUnit, presUnit);
+  bme.read(pres, temp, hum, tempUnit, presUnit);
 
   telemetry.addTemperature(TELEM_CHANNEL_SELF, temp);
   telemetry.addRelativeHumidity(TELEM_CHANNEL_SELF, hum);
@@ -85,7 +84,7 @@ bool WIOE5SensorManager::querySensors(uint8_t requester_permissions, CayenneLPP&
 }
 
 bool WIOE5SensorManager::begin() {
-  has_bme = _bme->begin();
+  has_bme = bme.begin();
 
   return has_bme;
 }
\ No newline at end of file
diff --git a/variants/wio-e5-mini/target.h b/variants/wio-e5-mini/target.h
index daf7e174..4b510d56 100644
--- a/variants/wio-e5-mini/target.h
+++ b/variants/wio-e5-mini/target.h
@@ -25,11 +25,11 @@ public:
 };
 
 class WIOE5SensorManager : public SensorManager {
-    BME280I2C* _bme;
+    BME280I2C bme;
     bool has_bme = false;   
 
 public:
-    WIOE5SensorManager(BME280I2C& bme) : _bme(&bme) {}
+    WIOE5SensorManager() {}
     bool begin() override;
     bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
 };