diff --git a/src/containers/sound-editor.jsx b/src/containers/sound-editor.jsx
index c81485d0fa0..a6ee3cf0df7 100644
--- a/src/containers/sound-editor.jsx
+++ b/src/containers/sound-editor.jsx
@@ -98,7 +98,7 @@ class SoundEditor extends React.Component {
                 this.handlePlay();
             }
         }
-        if (event.key === 'Delete' || event.key === 'Backspace') {
+        if ((event.key === 'Delete' || event.key === 'Backspace') && this.state.trimStart !== null) {
             event.preventDefault();
             if (event.shiftKey) {
                 this.handleDeleteInverse();