diff --git a/lib/fog/hp/block_storage.rb b/lib/fog/hp/block_storage.rb
index 530251772..616f2ff50 100644
--- a/lib/fog/hp/block_storage.rb
+++ b/lib/fog/hp/block_storage.rb
@@ -144,6 +144,7 @@ module Fog
             response = @connection.request(params.merge!({
               :headers  => {
                 'Content-Type' => 'application/json',
+                'Accept'       => 'application/json',
                 'X-Auth-Token' => @auth_token
               }.merge!(params[:headers] || {}),
               :host     => @host,
diff --git a/lib/fog/hp/cdn.rb b/lib/fog/hp/cdn.rb
index 16473610c..3ced28ad1 100644
--- a/lib/fog/hp/cdn.rb
+++ b/lib/fog/hp/cdn.rb
@@ -128,6 +128,7 @@ module Fog
             response = @connection.request(params.merge!({
               :headers  => {
                 'Content-Type' => 'application/json',
+                'Accept'       => 'application/json',
                 'X-Auth-Token' => @auth_token
               }.merge!(params[:headers] || {}),
               :host     => @host,
diff --git a/lib/fog/hp/compute.rb b/lib/fog/hp/compute.rb
index 312c1e1af..f04e74ba0 100644
--- a/lib/fog/hp/compute.rb
+++ b/lib/fog/hp/compute.rb
@@ -227,6 +227,7 @@ module Fog
             response = @connection.request(params.merge!({
               :headers  => {
                 'Content-Type' => 'application/json',
+                'Accept'       => 'application/json',
                 'X-Auth-Token' => @auth_token
               }.merge!(params[:headers] || {}),
               :host     => @host,
diff --git a/lib/fog/hp/storage.rb b/lib/fog/hp/storage.rb
index b42466500..60178d4be 100644
--- a/lib/fog/hp/storage.rb
+++ b/lib/fog/hp/storage.rb
@@ -291,6 +291,7 @@ module Fog
             response = @connection.request(params.merge!({
               :headers  => {
                 'Content-Type' => 'application/json',
+                'Accept'       => 'application/json',
                 'X-Auth-Token' => @auth_token
               }.merge!(params[:headers] || {}),
               :host     => @host,
@@ -316,6 +317,7 @@ module Fog
             response = @connection.request(params.merge!({
               :headers  => {
                 'Content-Type' => 'application/json',
+                'Accept'       => 'application/json',
                 'X-Auth-Token' => @auth_token
               }.merge!(params[:headers] || {}),
               :host     => @host,