diff --git a/python3-k8sapp-platform/k8sapp_platform/k8sapp_platform/lifecycle/lifecycle_platform.py b/python3-k8sapp-platform/k8sapp_platform/k8sapp_platform/lifecycle/lifecycle_platform.py
index 49193c7..b0c5592 100644
--- a/python3-k8sapp-platform/k8sapp_platform/k8sapp_platform/lifecycle/lifecycle_platform.py
+++ b/python3-k8sapp-platform/k8sapp_platform/k8sapp_platform/lifecycle/lifecycle_platform.py
@@ -40,7 +40,8 @@ class PlatformAppLifecycleOperator(base.AppLifecycleOperator):
         # Semantic checks
         if hook_info.lifecycle_type == constants.APP_LIFECYCLE_TYPE_SEMANTIC_CHECK:
             if hook_info.mode == constants.APP_LIFECYCLE_MODE_AUTO and \
-                    hook_info.operation == constants.APP_APPLY_OP and \
+                    hook_info.operation in [constants.APP_APPLY_OP,
+                                            constants.APP_EVALUATE_REAPPLY_OP] and \
                     hook_info.relative_timing == constants.APP_LIFECYCLE_TIMING_PRE:
                 return self.pre_auto_apply_check(conductor_obj)
 
@@ -85,6 +86,12 @@ class PlatformAppLifecycleOperator(base.AppLifecycleOperator):
         if not os.path.isfile(crushmap_flag_file):
             raise exception.LifecycleSemanticCheckException(
                 "Crush map not applied")
+        # conductor_obj._ceph (CephOperator) may not be initialized
+        # at this point, as it depends on ceph and system conditions
+        # to start the thread that initializes it
+        if conductor_obj._ceph is None:
+            raise exception.LifecycleSemanticCheckException(
+                "CephOperator is not initialized yet")
         if not conductor_obj._ceph.have_ceph_monitor_access():
             raise exception.LifecycleSemanticCheckException(
                 "Monitor access error")