diff --git a/senlinclient/v1/cluster.py b/senlinclient/v1/cluster.py
index e1ce6d3a..4b3e9eac 100644
--- a/senlinclient/v1/cluster.py
+++ b/senlinclient/v1/cluster.py
@@ -345,6 +345,7 @@ class DeleteCluster(command.Command):
                 sys.stdout.write(
                     _("Are you sure you want to delete this cluster(s)"
                       " [y/N]?"))
+                sys.stdout.flush()
                 prompt_response = sys.stdin.readline().lower()
                 if not prompt_response.startswith('y'):
                     return
diff --git a/senlinclient/v1/node.py b/senlinclient/v1/node.py
index cef86803..6d1dd782 100644
--- a/senlinclient/v1/node.py
+++ b/senlinclient/v1/node.py
@@ -331,6 +331,7 @@ class DeleteNode(command.Command):
                 sys.stdout.write(
                     _("Are you sure you want to delete this node(s)"
                       " [y/N]?"))
+                sys.stdout.flush()
                 prompt_response = sys.stdin.readline().lower()
                 if not prompt_response.startswith('y'):
                     return
diff --git a/senlinclient/v1/policy.py b/senlinclient/v1/policy.py
index bd2b6020..d8bddc9e 100644
--- a/senlinclient/v1/policy.py
+++ b/senlinclient/v1/policy.py
@@ -241,6 +241,7 @@ class DeletePolicy(command.Command):
                 sys.stdout.write(
                     _("Are you sure you want to delete this policy(s)"
                       " [y/N]?"))
+                sys.stdout.flush()
                 prompt_response = sys.stdin.readline().lower()
                 if not prompt_response.startswith('y'):
                     return
diff --git a/senlinclient/v1/profile.py b/senlinclient/v1/profile.py
index ac116cf7..3ac7b1a1 100644
--- a/senlinclient/v1/profile.py
+++ b/senlinclient/v1/profile.py
@@ -176,6 +176,7 @@ class DeleteProfile(command.Command):
                 sys.stdout.write(
                     _("Are you sure you want to delete this profile(s)"
                       " [y/N]?"))
+                sys.stdout.flush()
                 prompt_response = sys.stdin.readline().lower()
                 if not prompt_response.startswith('y'):
                     return
diff --git a/senlinclient/v1/receiver.py b/senlinclient/v1/receiver.py
index f3eacf04..7bf619aa 100644
--- a/senlinclient/v1/receiver.py
+++ b/senlinclient/v1/receiver.py
@@ -294,6 +294,7 @@ class DeleteReceiver(command.Command):
                 sys.stdout.write(
                     _("Are you sure you want to delete this receiver(s)"
                       " [y/N]?"))
+                sys.stdout.flush()
                 prompt_response = sys.stdin.readline().lower()
                 if not prompt_response.startswith('y'):
                     return