diff --git a/plugins/kernel_v2/config/vm.rb b/plugins/kernel_v2/config/vm.rb
index cc96581ae..e4fff571c 100644
--- a/plugins/kernel_v2/config/vm.rb
+++ b/plugins/kernel_v2/config/vm.rb
@@ -806,8 +806,10 @@ module VagrantPlugins
 
         # Validate disks
         # Check if there is more than one primrary disk defined and throw an error
-        if @disks.select { |d| d.primary && d.type == :disk }.size > 1
-          errors << "There is more than one disk defined for guest '#{machine.name}'. Please pick a `primary` disk."
+        primary_disks = @disks.select { |d| d.primary && d.type == :disk }
+        if primary_disks.size > 1
+          errors << I18n.t("vagrant.config.vm.multiple_primary_disks_error",
+                           name: machine.name)
         end
 
         # TODO: Check for duplicate disk names?
diff --git a/templates/locales/en.yml b/templates/locales/en.yml
index 4d045e32b..2e78e01a6 100644
--- a/templates/locales/en.yml
+++ b/templates/locales/en.yml
@@ -1892,6 +1892,8 @@ en:
           hyphens or dots. It cannot start with a hyphen or dot.
         ignore_provider_config: |-
           Ignoring provider config for validation...
+        multiple_primary_disks_error: |-
+          There are more than one primary disks defined for guest '%{name}'. Please ensure that only one disk has been defined as a primary disk.
         name_invalid: |-
           The sub-VM name '%{name}' is invalid. Please don't use special characters.
         network_ip_ends_in_one: |-