diff --git a/releasenotes/notes/powervm-novalink-url-c5f9377e4f7971af.yaml b/releasenotes/notes/powervm-novalink-url-c5f9377e4f7971af.yaml
new file mode 100644
index 00000000..7ccb3f75
--- /dev/null
+++ b/releasenotes/notes/powervm-novalink-url-c5f9377e4f7971af.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - The URL of NovaLink uses 'ftp' protocol to provision
+    apt key. It causes apt_key module to fail to retrieve
+    NovaLink gpg public key file. Therefore, change the
+    protocol of URL to 'http'. For more information, see
+    bug 1637348.
diff --git a/vars/ubuntu-14.04.yml b/vars/ubuntu-14.04.yml
index 20a6cd6d..e2145d50 100644
--- a/vars/ubuntu-14.04.yml
+++ b/vars/ubuntu-14.04.yml
@@ -89,11 +89,11 @@ nova_compute_powervm_distro_packages:
   - pvm-novalink
 
 novalink_repo:
-  repo: "deb [arch=ppc64el] ftp://public.dhe.ibm.com/systems/virtualization/Novalink/debian/ novalink_1.0.0 non-free"
+  repo: "deb [arch=ppc64el] http://public.dhe.ibm.com/systems/virtualization/Novalink/debian/ novalink_1.0.0 non-free"
   state: "present"
 
 novalink_gpg_keys:
-  - url: "ftp://public.dhe.ibm.com/systems/virtualization/Novalink/debian/novalink-gpg-pub.key"
+  - url: "http://public.dhe.ibm.com/systems/virtualization/Novalink/debian/novalink-gpg-pub.key"
     state: "present"
 
 #lxd-specific variables
diff --git a/vars/ubuntu-16.04.yml b/vars/ubuntu-16.04.yml
index 9f4c29ca..3c890379 100644
--- a/vars/ubuntu-16.04.yml
+++ b/vars/ubuntu-16.04.yml
@@ -88,9 +88,9 @@ nova_compute_powervm_distro_packages:
   - pvm-novalink
 
 novalink_repo:
-  repo: "deb [arch=ppc64el] ftp://public.dhe.ibm.com/systems/virtualization/Novalink/debian/ novalink_1.0.0 non-free"
+  repo: "deb [arch=ppc64el] http://public.dhe.ibm.com/systems/virtualization/Novalink/debian/ novalink_1.0.0 non-free"
   state: "present"
 
 novalink_gpg_keys:
-  - url: "ftp://public.dhe.ibm.com/systems/virtualization/Novalink/debian/novalink-gpg-pub.key"
+  - url: "http://public.dhe.ibm.com/systems/virtualization/Novalink/debian/novalink-gpg-pub.key"
     state: "present"