diff --git a/js/msp.js b/js/msp.js
index 9dbe79d2..8006652b 100644
--- a/js/msp.js
+++ b/js/msp.js
@@ -434,8 +434,11 @@ var MSP = {
                 MISC.gps_ubx_sbas = data.getInt8(offset++);
                 MISC.multiwiicurrentoutput = data.getUint8(offset++);
                 MISC.rssi_channel = data.getUint8(offset++);
-                MISC.placeholder2 = data.getUint8(offset++);
-                MISC.mag_declination = data.getInt16(offset, 1) / 10; // -18000-18000
+                MISC.placeholder2 = data.getUint8(offset++);                
+                if (semver.lt(CONFIG.apiVersion, "1.18.0"))
+                    MISC.mag_declination = data.getInt16(offset, 1) / 10; // -1800-1800
+                else
+                    MISC.mag_declination = data.getInt16(offset, 1) / 100; // -18000-18000                
                 offset += 2;
                 MISC.vbatscale = data.getUint8(offset++, 1); // 10-200
                 MISC.vbatmincellvoltage = data.getUint8(offset++, 1) / 10; // 10-50
@@ -1237,8 +1240,13 @@ MSP.crunch = function (code) {
             buffer.push(MISC.multiwiicurrentoutput);
             buffer.push(MISC.rssi_channel);
             buffer.push(MISC.placeholder2);
-            buffer.push(lowByte(Math.round(MISC.mag_declination * 10)));
-            buffer.push(highByte(Math.round(MISC.mag_declination * 10)));
+            if (semver.lt(CONFIG.apiVersion, "1.18.0")) {
+                buffer.push(lowByte(Math.round(MISC.mag_declination * 10)));
+                buffer.push(highByte(Math.round(MISC.mag_declination * 10)));
+            } else {            
+                buffer.push(lowByte(Math.round(MISC.mag_declination * 100)));
+                buffer.push(highByte(Math.round(MISC.mag_declination * 100)));
+            }
             buffer.push(MISC.vbatscale);
             buffer.push(Math.round(MISC.vbatmincellvoltage * 10));
             buffer.push(Math.round(MISC.vbatmaxcellvoltage * 10));
diff --git a/tabs/configuration.html b/tabs/configuration.html
index 89b2224f..ccc59b23 100644
--- a/tabs/configuration.html
+++ b/tabs/configuration.html
@@ -384,7 +384,7 @@
                         <span i18n="configurationGPSubxSbas"></span>
                     </div>
                     <div class="number">
-                        <label> <input type="number" name="mag_declination" step="0.1" min="-180" max="180" />
+                        <label> <input type="number" name="mag_declination" step="0.01" min="-180" max="180" />
                         <span i18n="configurationMagDeclination"></span>
                         </label>
                     </div>
diff --git a/tabs/configuration.js b/tabs/configuration.js
index d9e22a9b..2c3ca833 100644
--- a/tabs/configuration.js
+++ b/tabs/configuration.js
@@ -363,7 +363,7 @@ TABS.configuration.initialize = function (callback, scrollPosition) {
         $('input[name="pitch"]').val(CONFIG.accelerometerTrims[0]);
 
         // fill magnetometer
-        $('input[name="mag_declination"]').val(MISC.mag_declination);
+        $('input[name="mag_declination"]').val(MISC.mag_declination.toFixed(2));
 
         //fill motor disarm params and FC loop time        
         if(semver.gte(CONFIG.apiVersion, "1.8.0")) {