diff --git a/app/models/deployment.rb b/app/models/deployment.rb
index 030648470ee..e498ca96e3c 100644
--- a/app/models/deployment.rb
+++ b/app/models/deployment.rb
@@ -1,8 +1,8 @@
 class Deployment < ActiveRecord::Base
   include InternalId
 
-  belongs_to :project, validate: true
-  belongs_to :environment, validate: true
+  belongs_to :project, required: true, validate: true
+  belongs_to :environment, required: true, validate: true
   belongs_to :user
   belongs_to :deployable, polymorphic: true
 
diff --git a/app/models/environment.rb b/app/models/environment.rb
index 7986a2529df..ac3a571a1f3 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -1,5 +1,5 @@
 class Environment < ActiveRecord::Base
-  belongs_to :project, required: true
+  belongs_to :project, required: true, validate: true
 
   has_many :deployments