diff --git a/src/JsonForms/Definition/Control/ControlDefinition.php b/src/JsonForms/Definition/Control/ControlDefinition.php
index d5d9def..a1cb0bb 100644
--- a/src/JsonForms/Definition/Control/ControlDefinition.php
+++ b/src/JsonForms/Definition/Control/ControlDefinition.php
@@ -189,7 +189,7 @@ public function getEnum(): ?array {
    * {@inheritDoc}
    */
   public function getKeywordValue(string $keyword, $default = NULL) {
-    return $this->uiSchema->{$keyword} ?? $default;
+    return $this->controlSchema->{$keyword} ?? $default;
   }
 
   public function getLabel(): string {
diff --git a/src/JsonForms/Definition/Control/NumberControlDefinition.php b/src/JsonForms/Definition/Control/NumberControlDefinition.php
index e69a297..b4fd569 100644
--- a/src/JsonForms/Definition/Control/NumberControlDefinition.php
+++ b/src/JsonForms/Definition/Control/NumberControlDefinition.php
@@ -26,7 +26,7 @@
 class NumberControlDefinition extends ControlDefinition {
 
   public function getMultipleOf(): ?int {
-    return ConvertUtil::stdClassToNull($this->getpropertySchema->multipleOf ?? NULL);
+    return ConvertUtil::stdClassToNull($this->propertySchema->multipleOf ?? NULL);
   }
 
   /**