diff --git a/spec/components/avatar_upload_service_spec.rb b/spec/components/avatar_upload_service_spec.rb
index d33a2fab402..a003d263037 100644
--- a/spec/components/avatar_upload_service_spec.rb
+++ b/spec/components/avatar_upload_service_spec.rb
@@ -3,7 +3,7 @@ require "avatar_upload_service"
 
 describe AvatarUploadService do
 
-  let(:logo) { File.new("#{Rails.root}/spec/fixtures/images/logo.png") }
+  let(:logo) { file_from_fixtures("logo.png") }
 
   let(:file) do
     ActionDispatch::Http::UploadedFile.new({ filename: 'logo.png', tempfile: logo })
diff --git a/spec/components/file_store/local_store_spec.rb b/spec/components/file_store/local_store_spec.rb
index 63a6b8ac435..c8cbb53bb9a 100644
--- a/spec/components/file_store/local_store_spec.rb
+++ b/spec/components/file_store/local_store_spec.rb
@@ -6,7 +6,7 @@ describe FileStore::LocalStore do
   let(:store) { FileStore::LocalStore.new }
 
   let(:upload) { build(:upload) }
-  let(:uploaded_file) { File.new("#{Rails.root}/spec/fixtures/images/logo.png") }
+  let(:uploaded_file) { file_from_fixtures("logo.png") }
 
   let(:optimized_image) { build(:optimized_image) }
   let(:avatar) { build(:upload) }
diff --git a/spec/components/file_store/s3_store_spec.rb b/spec/components/file_store/s3_store_spec.rb
index eff8b6e0b9d..b12a2d58349 100644
--- a/spec/components/file_store/s3_store_spec.rb
+++ b/spec/components/file_store/s3_store_spec.rb
@@ -7,13 +7,13 @@ describe FileStore::S3Store do
   let(:store) { FileStore::S3Store.new }
 
   let(:upload) { build(:upload) }
-  let(:uploaded_file) { File.new("#{Rails.root}/spec/fixtures/images/logo.png") }
+  let(:uploaded_file) { file_from_fixtures("logo.png") }
 
   let(:optimized_image) { build(:optimized_image) }
-  let(:optimized_image_file) { File.new("#{Rails.root}/spec/fixtures/images/logo.png") }
+  let(:optimized_image_file) { file_from_fixtures("logo.png") }
 
   let(:avatar) { build(:upload) }
-  let(:avatar_file) { File.new("#{Rails.root}/spec/fixtures/images/logo-dev.png") }
+  let(:avatar_file) { file_from_fixtures("logo-dev.png") }
 
   before(:each) do
     SiteSetting.stubs(:s3_upload_bucket).returns("S3_Upload_Bucket")
diff --git a/spec/controllers/categories_controller_spec.rb b/spec/controllers/categories_controller_spec.rb
index 030c7049f97..08b731d6df0 100644
--- a/spec/controllers/categories_controller_spec.rb
+++ b/spec/controllers/categories_controller_spec.rb
@@ -103,7 +103,7 @@ describe CategoriesController do
     describe "logged in" do
       let!(:user) { log_in(:admin) }
 
-      let(:logo) { File.new("#{Rails.root}/spec/fixtures/images/logo.png") }
+      let(:logo) { file_from_fixtures("logo.png") }
       let(:upload) do
         ActionDispatch::Http::UploadedFile.new({ filename: 'logo.png', tempfile: logo })
       end
diff --git a/spec/controllers/uploads_controller_spec.rb b/spec/controllers/uploads_controller_spec.rb
index 074bda9a910..a1deb7b9875 100644
--- a/spec/controllers/uploads_controller_spec.rb
+++ b/spec/controllers/uploads_controller_spec.rb
@@ -15,14 +15,14 @@ describe UploadsController do
       let(:logo) do
         ActionDispatch::Http::UploadedFile.new({
           filename: 'logo.png',
-          tempfile: File.new("#{Rails.root}/spec/fixtures/images/logo.png")
+          tempfile: file_from_fixtures("logo.png")
         })
       end
 
       let(:logo_dev) do
         ActionDispatch::Http::UploadedFile.new({
           filename: 'logo-dev.png',
-          tempfile: File.new("#{Rails.root}/spec/fixtures/images/logo-dev.png")
+          tempfile: file_from_fixtures("logo-dev.png")
         })
       end
 
diff --git a/spec/controllers/users_controller_spec.rb b/spec/controllers/users_controller_spec.rb
index 42ccc49be28..66a4152ac2c 100644
--- a/spec/controllers/users_controller_spec.rb
+++ b/spec/controllers/users_controller_spec.rb
@@ -1113,7 +1113,7 @@ describe UsersController do
 
       let!(:user) { log_in }
 
-      let(:logo) { File.new("#{Rails.root}/spec/fixtures/images/logo.png") }
+      let(:logo) { file_from_fixtures("logo.png") }
 
       let(:user_image) do
         ActionDispatch::Http::UploadedFile.new({ filename: 'logo.png', tempfile: logo })
diff --git a/spec/models/upload_spec.rb b/spec/models/upload_spec.rb
index 545d6501cf9..d55b0df42a0 100644
--- a/spec/models/upload_spec.rb
+++ b/spec/models/upload_spec.rb
@@ -15,10 +15,9 @@ describe Upload do
   let(:user_id) { 1 }
   let(:url) { "http://domain.com" }
 
-  let(:image_path) { "#{Rails.root}/spec/fixtures/images/logo.png" }
-  let(:image) { File.new(image_path) }
-  let(:image_filename) { File.basename(image_path) }
-  let(:image_filesize) { File.size(image_path) }
+  let(:image) { file_from_fixtures("logo.png") }
+  let(:image_filename) { "logo.png" }
+  let(:image_filesize) { File.size(image) }
   let(:image_sha1) { Digest::SHA1.file(image).hexdigest }
 
   let(:attachment_path) { __FILE__ }
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 682b377686d..6ed30789fa4 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -110,6 +110,12 @@ Spork.prefork do
     Time.stubs(:now).returns(Time.parse(now.to_s))
   end
 
+  def file_from_fixtures(filename)
+    FileUtils.mkdir_p("#{Rails.root}/tmp/spec") unless Dir.exists?("#{Rails.root}/tmp/spec")
+    FileUtils.cp("#{Rails.root}/spec/fixtures/images/#{filename}", "#{Rails.root}/tmp/spec/#{filename}")
+    File.new("#{Rails.root}/tmp/spec/#{filename}")
+  end
+
 end
 
 Spork.each_run do