diff --git a/grails-controllers/src/main/groovy/org/grails/compiler/web/ControllerActionTransformer.java b/grails-controllers/src/main/groovy/org/grails/compiler/web/ControllerActionTransformer.java
index fa03fc2f79b..280249d6fed 100644
--- a/grails-controllers/src/main/groovy/org/grails/compiler/web/ControllerActionTransformer.java
+++ b/grails-controllers/src/main/groovy/org/grails/compiler/web/ControllerActionTransformer.java
@@ -941,8 +941,7 @@ protected void initializePrimitiveOrTypeWrapperParameter(final ClassNode classNo
         Statement declareVariableStatement = new ExpressionStatement(declareConvertedValueExpression);
         wrapper.addStatement(declareVariableStatement);
 
-        final VariableExpression methodParamExpression = new VariableExpression(
-                methodParamName, paramTypeClassNode);
+        final VariableExpression methodParamExpression = localVarX(methodParamName, paramTypeClassNode);
         final DeclarationExpression declareParameterVariableStatement = new DeclarationExpression(
                 methodParamExpression, equalsToken, new EmptyExpression());
         declareVariableStatement = new ExpressionStatement(declareParameterVariableStatement);
diff --git a/grails-test-examples/app1/src/integration-test/groovy/functionaltests/DataBindingSpec.groovy b/grails-test-examples/app1/src/integration-test/groovy/functionaltests/DataBindingSpec.groovy
index 346a2010f3a..cd53d96a9e3 100644
--- a/grails-test-examples/app1/src/integration-test/groovy/functionaltests/DataBindingSpec.groovy
+++ b/grails-test-examples/app1/src/integration-test/groovy/functionaltests/DataBindingSpec.groovy
@@ -20,7 +20,6 @@
 package functionaltests
 
 import spock.lang.Issue
-import spock.lang.PendingFeature
 
 import grails.plugin.geb.ContainerGebSpec
 import grails.testing.mixin.integration.Integration
@@ -28,7 +27,6 @@ import grails.testing.mixin.integration.Integration
 @Integration
 class DataBindingSpec extends ContainerGebSpec {
 
-    @PendingFeature
     @Issue('https://github.com/apache/grails-core/issues/15147')
     void 'data binding works'() {
         when: