diff --git a/app/models/dialog.rb b/app/models/dialog.rb
index dae0a64336d..821c1ab9bf9 100644
--- a/app/models/dialog.rb
+++ b/app/models/dialog.rb
@@ -119,6 +119,8 @@ def initialize_value_context(_values)
   end
 
   def init_fields_with_values_for_request(values)
+    values = values.with_indifferent_access
+
     dialog_field_hash.each do |_key, field|
       field.value = values[field.automate_key_name] || values[field.name]
     end
diff --git a/spec/models/dialog_spec.rb b/spec/models/dialog_spec.rb
index e2dda2c98a4..27d1b8457d3 100644
--- a/spec/models/dialog_spec.rb
+++ b/spec/models/dialog_spec.rb
@@ -520,19 +520,39 @@
     let(:dialog_group) { DialogGroup.new(:dialog_fields => [dialog_field1]) }
     let(:dialog_field1) { DialogField.new(:value => "123", :name => "field1") }
 
-    context "when the values use the automate key name" do
-      it "initializes the fields with the given values" do
-        values = {"dialog_field1" => "field 1 new value"}
-        dialog.init_fields_with_values_for_request(values)
-        expect(dialog_field1.value).to eq("field 1 new value")
+    context "when the keys are strings" do
+      context "when the values use the automate key name" do
+        it "initializes the fields with the given values" do
+          values = {"dialog_field1" => "field 1 new value"}
+          dialog.init_fields_with_values_for_request(values)
+          expect(dialog_field1.value).to eq("field 1 new value")
+        end
+      end
+
+      context "when the values use the regular name" do
+        it "initializes the fields with the given values" do
+          values = {"field1" => "field 1 new value"}
+          dialog.init_fields_with_values_for_request(values)
+          expect(dialog_field1.value).to eq("field 1 new value")
+        end
       end
     end
 
-    context "when the values use the regular name" do
-      it "initializes the fields with the given values" do
-        values = {"field1" => "field 1 new value"}
-        dialog.init_fields_with_values_for_request(values)
-        expect(dialog_field1.value).to eq("field 1 new value")
+    context "when the keys are symbols" do
+      context "when the values use the automate key name" do
+        it "initializes the fields with the given values" do
+          values = {:dialog_field1 => "field 1 new value"}
+          dialog.init_fields_with_values_for_request(values)
+          expect(dialog_field1.value).to eq("field 1 new value")
+        end
+      end
+
+      context "when the values use the regular name" do
+        it "initializes the fields with the given values" do
+          values = {:field1 => "field 1 new value"}
+          dialog.init_fields_with_values_for_request(values)
+          expect(dialog_field1.value).to eq("field 1 new value")
+        end
       end
     end
   end