diff --git a/src/Autocomplete.jsx b/src/Autocomplete.jsx
index 630ef44..66faf0c 100644
--- a/src/Autocomplete.jsx
+++ b/src/Autocomplete.jsx
@@ -119,7 +119,9 @@ export default class Autocomplete extends PureComponent {
         input.selectionEnd === input.value.length &&
         input.selectionStart !== 0) {
       const value = input.value.substr(0, input.selectionStart);
-      this.setValue(value.substr(0, value.length - 1), this.props.options);
+      if (value.length > 1) {
+        this.setValue(value.substr(0, value.length - 1), this.props.options);
+      }
       updateInputNode(input, value);
     }
   }