diff --git a/apis/apps/v1alpha1/collaset_types.go b/apis/apps/v1alpha1/collaset_types.go
index 586e3496..5fc026d8 100644
--- a/apis/apps/v1alpha1/collaset_types.go
+++ b/apis/apps/v1alpha1/collaset_types.go
@@ -231,7 +231,7 @@ type CollaSetCondition struct {
 	Status corev1.ConditionStatus `json:"status,omitempty"`
 
 	// Last time the condition transitioned from one status to another.
-	LastTransitionTime metav1.Time `json:"last_transition_time,omitempty"`
+	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`
 
 	// The reason for the condition's last transition.
 	Reason string `json:"reason,omitempty"`
diff --git a/config/crd/bases/apps.kafed.io_collasets.yaml b/config/crd/bases/apps.kafed.io_collasets.yaml
index 1288c192..6f57b5f4 100644
--- a/config/crd/bases/apps.kafed.io_collasets.yaml
+++ b/config/crd/bases/apps.kafed.io_collasets.yaml
@@ -492,7 +492,7 @@ spec:
                   current state.
                 items:
                   properties:
-                    last_transition_time:
+                    lastTransitionTime:
                       description: Last time the condition transitioned from one status
                         to another.
                       format: date-time