diff --git a/src/AnnotationCreation.js b/src/AnnotationCreation.js
index cd9f4782cd58babd3912162cb680b8c5a6228ca0..25a65cfcb12c93d5aa7092a107b4dab0d80e0da5 100644
--- a/src/AnnotationCreation.js
+++ b/src/AnnotationCreation.js
@@ -506,7 +506,7 @@ class AnnotationCreation extends Component {
                 </Typography>
                 <Slider
                   value={valueTime}
-                  // onChange={this.handleChangeTime}
+                  onChange={this.handleChangeTime}
                   valueLabelDisplay="auto"
                   aria-labelledby="range-slider"
                   getAriaValueText={this.valuetextTime}