diff --git a/bin/web/js/audio.js b/bin/web/js/audio.js
index fe3af98..f39c8b0 100644
--- a/bin/web/js/audio.js
+++ b/bin/web/js/audio.js
@@ -448,18 +448,24 @@ const Audio = function(tp, record) {
         max_inputDom.addEventListener('change', updateMappingOptions);
         smoothing_inputDom.addEventListener('change', updateMappingOptions);
         let setFrequency = false;
+        let wasMoved = false;
         let freq_down = 0;
         let freq_up = 0;
         let xy_start;
         fft_Dom.addEventListener('mousedown', (e) => {
             setFrequency = true;
+            wasMoved = false;
             const bb = fft_imgDom.getBoundingClientRect();
             const x = e.clientX - bb.x;
             const y = e.clientY - bb.y;
-            xy_start = {x, y};
+            xy_start = {
+                x,
+                y
+            };
         });
         fft_Dom.addEventListener('mousemove', (e) => {
             if (setFrequency) {
+                wasMoved = true;
                 const bb = fft_imgDom.getBoundingClientRect();
                 const x_factor = config.audio.fftBandsUsed / bb.width;
                 const y_factor = 256.0 / bb.height;
@@ -488,6 +494,20 @@ const Audio = function(tp, record) {
         });
         const unset = (e) => {
             setFrequency = false;
+            if (!wasMoved) {
+                const bb = fft_imgDom.getBoundingClientRect();
+                const x_factor = config.audio.fftBandsUsed / bb.width;
+                const y_factor = 256.0 / bb.height;
+                let min_x, max_x, min_y, max_y;
+                min_x = 0;
+                min_y = 0;
+                max_x = bb.width;
+                max_y = bb.height;
+                mappingOptions.min_freq = min_x * x_factor;
+                mappingOptions.max_freq = max_x * x_factor;
+                mappingOptions.min_in = (bb.height - max_y) * y_factor;
+                mappingOptions.max_in = (bb.height - min_y) * y_factor;
+            }
         };
         const unsetFromOutside = (e) => {
             document.removeEventListener('mouseup', unsetFromOutside);