diff --git a/pkg/apis/serving/v1alpha2/framework_custom.go b/pkg/apis/serving/v1alpha2/framework_custom.go
index bb3e4eb9667..8d17f7f6400 100644
--- a/pkg/apis/serving/v1alpha2/framework_custom.go
+++ b/pkg/apis/serving/v1alpha2/framework_custom.go
@@ -46,6 +46,7 @@ func (c *CustomSpec) CreateExplainerContainer(modelName string, parallelism int,
 }
 
 func (c *CustomSpec) ApplyDefaults(config *InferenceServicesConfig) {
+	c.Container.Name = constants.InferenceServiceContainerName
 	setResourceRequirementDefaults(&c.Container.Resources)
 }