diff --git a/src/containers/sound-editor.jsx b/src/containers/sound-editor.jsx
index 49e2bff6859c022b9ae8f785af8b6d3551aef37d..be67d84935b32dd63896e6e3ce13030de1426b53 100644
--- a/src/containers/sound-editor.jsx
+++ b/src/containers/sound-editor.jsx
@@ -100,10 +100,11 @@ class SoundEditor extends React.Component {
         if (this.state.trimStart === null && this.state.trimEnd === null) {
             this.setState({trimEnd: 0.95, trimStart: 0.05});
         } else {
-            const sampleCount = this.props.samples.length;
+            const samples = this.copyCurrentSamples();
+            const sampleCount = samples.length;
             const startIndex = Math.floor(this.state.trimStart * sampleCount);
             const endIndex = Math.floor(this.state.trimEnd * sampleCount);
-            const clippedSamples = this.props.samples.slice(startIndex, endIndex);
+            const clippedSamples = samples.slice(startIndex, endIndex);
             this.submitNewSamples(clippedSamples, this.props.sampleRate);
         }
     }