diff --git a/lib/url_helper.rb b/lib/url_helper.rb
index 7db387f1d29..24f6192ac71 100644
--- a/lib/url_helper.rb
+++ b/lib/url_helper.rb
@@ -18,7 +18,7 @@ class UrlHelper
   end
 
   def self.schemaless(url)
-    url.sub(/^https?:/, "")
+    url.sub(/^http:/, "")
   end
 
 end
diff --git a/spec/components/cooked_post_processor_spec.rb b/spec/components/cooked_post_processor_spec.rb
index b14823ead2d..130686304d4 100644
--- a/spec/components/cooked_post_processor_spec.rb
+++ b/spec/components/cooked_post_processor_spec.rb
@@ -317,7 +317,7 @@ describe CookedPostProcessor do
 
     context "when CDN is enabled" do
 
-      it "uses schemaless CDN url for uploads" do
+      it "does use schemaless CDN url for http uploads" do
         Rails.configuration.action_controller.stubs(:asset_host).returns("http://my.cdn.com")
         cpp.optimize_urls
         expect(cpp.html).to match_html '<a href="//my.cdn.com/uploads/default/2/2345678901234567.jpg">Link</a>
@@ -325,6 +325,14 @@ describe CookedPostProcessor do
        <img src="http://foo.bar/image.png">'
       end
 
+      it "does not use schemaless CDN url for https uploads" do
+        Rails.configuration.action_controller.stubs(:asset_host).returns("https://my.cdn.com")
+        cpp.optimize_urls
+        expect(cpp.html).to match_html '<a href="https://my.cdn.com/uploads/default/2/2345678901234567.jpg">Link</a>
+       <img src="https://my.cdn.com/uploads/default/1/1234567890123456.jpg"><a href="http://www.google.com">Google</a>
+       <img src="http://foo.bar/image.png">'
+      end
+
     end
 
   end
diff --git a/spec/components/url_helper_spec.rb b/spec/components/url_helper_spec.rb
index f0e98b70881..ae2c37d1e7e 100644
--- a/spec/components/url_helper_spec.rb
+++ b/spec/components/url_helper_spec.rb
@@ -56,9 +56,9 @@ describe UrlHelper do
 
   describe "#schemaless" do
 
-    it "removes http or https schemas only" do
+    it "removes http schemas only" do
       expect(UrlHelper.schemaless("http://www.discourse.org")).to eq("//www.discourse.org")
-      expect(UrlHelper.schemaless("https://secure.discourse.org")).to eq("//secure.discourse.org")
+      expect(UrlHelper.schemaless("https://secure.discourse.org")).to eq("https://secure.discourse.org")
       expect(UrlHelper.schemaless("ftp://ftp.discourse.org")).to eq("ftp://ftp.discourse.org")
     end