diff --git a/lib/remote_translations/caller.rb b/lib/remote_translations/caller.rb
index 3b069a4e9..ecc5e4743 100644
--- a/lib/remote_translations/caller.rb
+++ b/lib/remote_translations/caller.rb
@@ -40,7 +40,7 @@ class RemoteTranslations::Caller
 
     def fields_values
       resource.translated_attribute_names.map do |field|
-        resource.send(field)
+        WYSIWYGSanitizer.new.sanitize(resource.send(field))
       end
     end
 
diff --git a/spec/lib/remote_translations/caller_spec.rb b/spec/lib/remote_translations/caller_spec.rb
index 3b7818219..c0f137b11 100644
--- a/spec/lib/remote_translations/caller_spec.rb
+++ b/spec/lib/remote_translations/caller_spec.rb
@@ -9,9 +9,9 @@ describe RemoteTranslations::Caller do
     RemoteTranslation.set_callback(:create, :after, :enqueue_remote_translation)
   end
 
-  describe "#call" do
-    let(:client) { RemoteTranslations::Microsoft::Client }
+  let(:client) { RemoteTranslations::Microsoft::Client }
 
+  describe "#call" do
     context "Debates" do
       let(:debate)             { create(:debate) }
       let(:remote_translation) do
@@ -206,4 +206,24 @@ describe RemoteTranslations::Caller do
       end
     end
   end
+
+  describe "#field values" do
+    let!(:proposal)          { create(:proposal, description: "Σ with sample text") }
+    let(:remote_translation) do
+      create(:remote_translation, remote_translatable: proposal, locale: :es)
+    end
+    let(:caller) { RemoteTranslations::Caller.new(remote_translation) }
+
+    it "sanitize field value when the field contains entity references as Σ" do
+      field_values_sanitized = [proposal.title, "Σ with sample text", proposal.summary,
+                                proposal.retired_reason]
+      locale = remote_translation.locale
+      fake_response = ["translated title", "translated description", "translated summary", nil]
+
+      expect_any_instance_of(client).to receive(:call).with(field_values_sanitized, locale).
+                                                       and_return(fake_response)
+
+      caller.call
+    end
+  end
 end