diff --git a/tabs/initial_setup.html b/tabs/initial_setup.html
index ab9e976e0b..71fb080e01 100644
--- a/tabs/initial_setup.html
+++ b/tabs/initial_setup.html
@@ -80,7 +80,7 @@
         <span class="head">Magnetometer</span>
         <div class="fields">
             <dl>
-                <dt>Declination:</dt><dd><input type="number" name="mag_declination" min="-1800" max="1800" value="0" /></dd>
+                <dt>Declination:</dt><dd><input type="number" name="mag_declination" step="0.1" min="-180" max="180" value="0" /></dd>
             </dl>
         </div>
     </div>
diff --git a/tabs/initial_setup.js b/tabs/initial_setup.js
index 09ab5b29cc..e5cfb6615b 100644
--- a/tabs/initial_setup.js
+++ b/tabs/initial_setup.js
@@ -17,7 +17,7 @@ function tab_initialize_initial_setup() {
                 $('input[name="failsafe_throttle"]').val(MISC.failsafe_throttle);
                 $('input[name="mincommand"]').val(MISC.mincommand);
                 
-                $('input[name="mag_declination"]').val(MISC.mag_declination);
+                $('input[name="mag_declination"]').val(MISC.mag_declination / 10);
                 
                 // Fill in the accel trimms from CONFIG object
                 $('input[name="pitch"]').val(CONFIG.accelerometerTrims[0]);
@@ -149,7 +149,7 @@ function tab_initialize_initial_setup() {
                     MISC.failsafe_throttle = parseInt($('input[name="failsafe_throttle"]').val());
                     MISC.mincommand = parseInt($('input[name="mincommand"]').val());
                     
-                    MISC.mag_declination = parseInt($('input[name="mag_declination"]').val());
+                    MISC.mag_declination = parseFloat($('input[name="mag_declination"]').val()) * 10;
                     
                     // we also have to fill the unsupported bytes
                     var buffer_out = new Array();