diff --git a/src/features/helpers/Helpers.js b/src/features/helpers/Helpers.js
index 2548c25..68ed6a6 100644
--- a/src/features/helpers/Helpers.js
+++ b/src/features/helpers/Helpers.js
@@ -31,8 +31,9 @@ const Checkbox = (props) => {
     return (
         <input
             type="checkbox"
-            checked={props.parameter}
-            onChange={(e) => props.onChange(e.target.value)}
+            value={props.parameter}
+            defaultChecked={props.parameter}
+            onChange={(e) => props.onChange(e.target.checked)}
         />
     );
 };
diff --git a/src/features/timbre/parameters/EG.js b/src/features/timbre/parameters/EG.js
index c9672e9..1b82a82 100644
--- a/src/features/timbre/parameters/EG.js
+++ b/src/features/timbre/parameters/EG.js
@@ -67,7 +67,7 @@ export default function EG(props) {
                     dispatch(
                         parameterUpdated({
                             id: props.id,
-                            changes: { egReset: !parameters.egReset },
+                            changes: { egReset: value },
                         })
                     )
                 }