diff --git a/README.md b/README.md
index 4ccc642..24e45e1 100644
--- a/README.md
+++ b/README.md
@@ -385,7 +385,7 @@ To define proxy only for a particular plugin during its installation:
       proxy_port: 8080
 ```
 
-> For plugins installation, proxy_host and proxy_port are used first if they are defined and fallback to the global proxy settings if not.
+> For plugins installation, proxy_host and proxy_port are used first if they are defined and fallback to the global proxy settings if not. The same values are currently used for both the http and https proxy settings.
 
 ## Notes
 
diff --git a/tasks/elasticsearch-plugins.yml b/tasks/elasticsearch-plugins.yml
index c3e6366..9424cab 100644
--- a/tasks/elasticsearch-plugins.yml
+++ b/tasks/elasticsearch-plugins.yml
@@ -48,7 +48,7 @@
     ES_INCLUDE: "{{ instance_default_file }}"
 
 - name: Install elasticsearch plugins
-  command: "{{es_home}}/bin/elasticsearch-plugin install {{ item.plugin }} --batch --silent {% if item.proxy_host is defined and item.proxy_host != '' and item.proxy_port is defined and item.proxy_port != ''%} -DproxyHost={{ item.proxy_host }} -DproxyPort={{ item.proxy_port }} {% elif es_proxy_host is defined and es_proxy_host != '' %} -DproxyHost={{ es_proxy_host }} -DproxyPort={{ es_proxy_port }} {% endif %}"
+  command: "{{es_home}}/bin/elasticsearch-plugin install {{ item.plugin }} --batch --silent"
   register: plugin_installed
   failed_when: "'ERROR' in plugin_installed.stdout"
   changed_when: plugin_installed.rc == 0
@@ -58,6 +58,7 @@
   environment:
     CONF_DIR: "{{ conf_dir }}"
     ES_INCLUDE: "{{ instance_default_file }}"
+    ES_JAVA_OPTS: "{% if item.proxy_host is defined and item.proxy_host != '' and item.proxy_port is defined and item.proxy_port != ''%} -Dhttp.proxyHost={{ item.proxy_host }} -Dhttp.proxyPort={{ item.proxy_port }} -Dhttps.proxyHost={{ item.proxy_host }} -Dhttps.proxyPort={{ item.proxy_port }}  {% elif es_proxy_host is defined and es_proxy_host != '' %} -Dhttp.proxyHost={{ es_proxy_host }} -Dhttp.proxyPort={{ es_proxy_port }} -Dhttps.proxyHost={{ es_proxy_host }} -Dhttps.proxyPort={{ es_proxy_port }} {% endif %}"
   until: plugin_installed.rc == 0
   retries: 5
   delay: 5
diff --git a/tasks/xpack/elasticsearch-xpack-install.yml b/tasks/xpack/elasticsearch-xpack-install.yml
index 16bbc5a..32dc1b6 100644
--- a/tasks/xpack/elasticsearch-xpack-install.yml
+++ b/tasks/xpack/elasticsearch-xpack-install.yml
@@ -28,7 +28,7 @@
 #Install plugin if not installed, or the es version has changed (so removed above), and its been requested
 - name: Install x-pack plugin
   command: >
-    {{es_home}}/bin/elasticsearch-plugin install --silent --batch x-pack {% if es_proxy_host is defined and es_proxy_host != '' %} -Dhttp.proxyHost={{ es_proxy_host }} -Dhttp.proxyPort={{ es_proxy_port }} {% endif %}
+    {{es_home}}/bin/elasticsearch-plugin install --silent --batch x-pack
   register: xpack_state
   failed_when: "'ERROR' in xpack_state.stdout"
   changed_when: xpack_state.rc == 0
@@ -37,3 +37,4 @@
   environment:
     CONF_DIR: "{{ conf_dir }}"
     ES_INCLUDE: "{{ instance_default_file }}"
+    ES_JAVA_OPTS: "{% if es_proxy_host is defined and es_proxy_host != '' %}-Dhttp.proxyHost={{ es_proxy_host }} -Dhttp.proxyPort={{ es_proxy_port }} -Dhttps.proxyHost={{ es_proxy_host }} -Dhttps.proxyPort={{ es_proxy_port }}{% endif %}"