diff --git a/src/modifier/ChainableModifier.js b/src/modifier/ChainableModifier.js
index a776f45..5ff4f8f 100644
--- a/src/modifier/ChainableModifier.js
+++ b/src/modifier/ChainableModifier.js
@@ -23,7 +23,7 @@ class ChainableModifier extends Modifier {
      * @returns {ChainableModifier}
      */
     fillMaxSize(widthFraction = 1, heightFraction = 1) {
-        return super.fillMaxSize(widthFraction = 1, heightFraction = 1);
+        return super.fillMaxSize(widthFraction, heightFraction);
     }
     /**
      * @inheritdoc
@@ -31,7 +31,7 @@ class ChainableModifier extends Modifier {
      * @returns {ChainableModifier}
      */
     fillMaxWidth(fraction = 1) {
-        return super.fillMaxWidth(fraction = 1);
+        return super.fillMaxWidth(fraction);
     }
     /**
      * @inheritdoc
@@ -39,7 +39,7 @@ class ChainableModifier extends Modifier {
      * @returns {ChainableModifier}
      */
     fillMaxHeight(fraction = 1) {
-        return super.fillMaxHeight(fraction = 1);
+        return super.fillMaxHeight(fraction);
     }
     /**
      * @inheritdoc