diff --git a/README.md b/README.md
index 7596411..fd11749 100644
--- a/README.md
+++ b/README.md
@@ -84,11 +84,24 @@ This role has multiple variables. The defaults for all these variables are the f
     # Default is 'opensource'.
     type: opensource
 
-    # Specify source respository for NGINX Open Source.
+    # Specify repository origin for NGINX Open Source.
     # Options are 'nginx_repository' or 'os_repository'.
+    # Only works if 'type' is set to 'opensource'.
     # Default is nginx_repository.
     install_from: nginx_repository
 
+    # Specify source repository for NGINX Open Source.
+    # Only works if 'install_from' is set to 'nginx_repository'.
+    # Defaults are the official NGINX repositories.
+    nginx_repository:
+      debian:
+        - 'deb https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx'
+        - 'deb-src https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx'
+      redhat:
+        - https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}{{ (ansible_distribution == "RedHat") | ternary('rhel/', 'centos/') }}{{ ansible_distribution_major_version|int }}/$basearch/
+      suse:
+        - https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}sles/12
+
     # Specify which branch of NGINX Open Source you want to install.
     # Options are 'mainline' or 'stable'.
     # Only works if 'install_from' is set to 'nginx_repository'.
diff --git a/defaults/main.yml b/defaults/main.yml
index 020fc8c..c1120ab 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -4,11 +4,24 @@
 # Default is 'opensource'.
 type: opensource
 
-# Specify source respository for NGINX Open Source.
+# Specify repository origin for NGINX Open Source.
 # Options are 'nginx_repository' or 'os_repository'.
+# Only works if 'type' is set to 'opensource'.
 # Default is nginx_repository.
 install_from: nginx_repository
 
+# Specify source repository for NGINX Open Source.
+# Only works if 'install_from' is set to 'nginx_repository'.
+# Defaults are the official NGINX repositories.
+nginx_repository:
+  debian:
+    - 'deb https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx'
+    - 'deb-src https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx'
+  redhat:
+    - https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}{{ (ansible_distribution == "RedHat") | ternary('rhel/', 'centos/') }}{{ ansible_distribution_major_version|int }}/$basearch/
+  suse:
+    - https://nginx.org/packages/{{ "mainline/" if branch == "mainline" }}sles/12
+
 # Specify which branch of NGINX Open Source you want to install.
 # Options are 'mainline' or 'stable'.
 # Only works if 'install_from' is set to 'nginx_repository'.
diff --git a/tasks/opensource/setup-debian.yml b/tasks/opensource/setup-debian.yml
index 8feb1d4..2b90dd3 100644
--- a/tasks/opensource/setup-debian.yml
+++ b/tasks/opensource/setup-debian.yml
@@ -1,16 +1,6 @@
 ---
-- name: "(Install: Debian/Ubuntu) Add Mainline NGINX Repository"
+- name: "(Install: Debian/Ubuntu) Add NGINX Repository"
   apt_repository:
     repo: "{{ item }}"
   with_items:
-    - deb https://nginx.org/packages/mainline/{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx
-    - deb-src https://nginx.org/packages/mainline/{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx
-  when: branch == "mainline"
-
-- name: "(Install: Debian/Ubuntu) Add Stable NGINX Repository"
-  apt_repository:
-    repo: "{{ item }}"
-  with_items:
-    - deb https://nginx.org/packages/{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx
-    - deb-src https://nginx.org/packages/{{ ansible_distribution|lower }}/ {{ ansible_distribution_release }} nginx
-  when: branch == "stable"
+    - "{{ nginx_repository.debian }}"
diff --git a/tasks/opensource/setup-redhat.yml b/tasks/opensource/setup-redhat.yml
index abecbd9..6e70aff 100644
--- a/tasks/opensource/setup-redhat.yml
+++ b/tasks/opensource/setup-redhat.yml
@@ -1,36 +1,8 @@
 ---
-- name: "(Install: RedHat) Add Mainline NGINX Repository"
+- name: "(Install: CentOS/RedHat) Add NGINX Repository"
   yum_repository:
     name: nginx
-    baseurl: https://nginx.org/packages/mainline/rhel/{{ ansible_distribution_major_version|int }}/$basearch/
+    baseurl: "{{ nginx_repository.redhat }}"
     description: NGINX Repository
     enabled: yes
     gpgcheck: yes
-  when: branch == "mainline" and ansible_distribution == "RedHat"
-
-- name: "(Install: CentOS) Add Mainline NGINX Repository"
-  yum_repository:
-    name: nginx
-    baseurl: https://nginx.org/packages/mainline/centos/{{ ansible_distribution_major_version|int }}/$basearch/
-    description: NGINX Repository
-    enabled: yes
-    gpgcheck: yes
-  when: branch == "mainline" and ansible_distribution == "CentOS"
-
-- name: "(Install: RedHat) Add Stable NGINX Repository"
-  yum_repository:
-    name: nginx
-    baseurl: https://nginx.org/packages/rhel/{{ ansible_distribution_major_version|int }}/$basearch/
-    description: NGINX Repository
-    enabled: yes
-    gpgcheck: yes
-  when: branch == "stable" and ansible_distribution == "RedHat"
-
-- name: "(Install: CentOS) Add Stable NGINX Repository"
-  yum_repository:
-    name: nginx
-    baseurl: https://nginx.org/packages/centos/{{ ansible_distribution_major_version|int }}/$basearch/
-    description: NGINX Repository
-    enabled: yes
-    gpgcheck: yes
-  when: branch == "stable" and ansible_distribution == "CentOS"
diff --git a/tasks/opensource/setup-suse.yml b/tasks/opensource/setup-suse.yml
index 2a1c61c..3e9b3e1 100644
--- a/tasks/opensource/setup-suse.yml
+++ b/tasks/opensource/setup-suse.yml
@@ -1,12 +1,5 @@
 ---
-- name: "(Install: SUSE) Add Mainline NGINX Repository"
+- name: "(Install: SUSE) Add NGINX Repository"
   zypper_repository:
     name: nginx
-    repo: https://nginx.org/packages/mainline/sles/12
-  when: branch == "mainline"
-
-- name: "(Install: SUSE) Add Stable NGINX Repository"
-  zypper_repository:
-    name: nginx
-    repo: https://nginx.org/packages/sles/12
-  when: branch == "stable"
+    repo: "{{ nginx_repository.suse }}"