diff --git a/lib/INA233/INA233.cpp b/lib/INA233/INA233.cpp
index df39a15..75d020f 100644
--- a/lib/INA233/INA233.cpp
+++ b/lib/INA233/INA233.cpp
@@ -116,17 +116,8 @@ float INA233::getBusVoltage() {
 }
 
 float INA233::getShuntVoltage() {
-    int16_t rawVoltage = get_word(INA233::_address, REGISTER_READ_VSHUNT); // Read raw voltage (16-bit register)
-
-    // Convert from two's complement to an integer value
-    // If the MSB (most significant bit) is set, the number is negative
-    if (rawVoltage & 0x8000) {  // Check if MSB (bit 15) is set
-        rawVoltage = rawVoltage - 0x10000; // Convert two's complement negative number
-    }
-
-    // Convert value according to the datasheet
-    // LSB: 2.5 μV per bit -> Multiply by 2.5e-6 to convert to volts
-    float voltage = rawVoltage * 2.5e-6;
+    uint16_t rawVoltage = get_word(INA233::_address, REGISTER_READ_VSHUNT);
+    float voltage = rawVoltage * pow(10,-4);
 
     return voltage;
 }
diff --git a/src/global_data/defines.h b/src/global_data/defines.h
index 8f85bec..31191d4 100644
--- a/src/global_data/defines.h
+++ b/src/global_data/defines.h
@@ -7,7 +7,7 @@
 #define water_level_min_key "water_level_min"
 #define water_level_max_key "water_level_max"
 #define water_volume_key "water_volume"
-#define current_software_version Version{1, 1, 0}
+#define current_software_version Version{1, 2, 0}
 #define REQUIRED_SPIFFS_VERSION Version{8, 0, 0}
 
 #define RESISTOR_VALUE 4
\ No newline at end of file