diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7961e0c..548e8e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
 
 ## master
 
+- [PR #205](https://github.com/DmitryTsepelev/store_model/pull/205) Fix value handling for enums ([@DmitryTsepelev])
+
 ## 4.2.1 (2025-02-01)
 
 - [PR #200](https://github.com/DmitryTsepelev/store_model/pull/200) Don't use #to_h on store model instances in OnePolymorphic types ([@23tux])
diff --git a/lib/store_model/types/enum_type.rb b/lib/store_model/types/enum_type.rb
index 75fc0b4..55a96a9 100644
--- a/lib/store_model/types/enum_type.rb
+++ b/lib/store_model/types/enum_type.rb
@@ -45,7 +45,10 @@ def cast_value(value)
       private
 
       def cast_symbol_value(value)
-        raise_invalid_value!(value) if @raise_on_invalid_values && !@mapping.key?(value.to_sym)
+        raise_invalid_value!(value) if @raise_on_invalid_values &&
+                                       !@mapping.key?(value.to_sym) &&
+                                       !@mapping.values.include?(value)
+
         @mapping[value.to_sym] || value
       end
 
diff --git a/spec/store_model/enum_spec.rb b/spec/store_model/enum_spec.rb
index 64bf3bd..cf51765 100644
--- a/spec/store_model/enum_spec.rb
+++ b/spec/store_model/enum_spec.rb
@@ -249,4 +249,36 @@ def self.model_name
       end
     end
   end
+
+  describe "persistance" do
+    class ProductConfiguration
+      include StoreModel::Model
+
+      enum :color, in: { red: "ee0000", green: "00ee00", blue: "0000ee" }
+    end
+
+    class Product < ActiveRecord::Base
+      attribute :product_configuration, ProductConfiguration.to_type, default: ProductConfiguration.new
+    end
+
+    before do
+      Product.create!(product_configuration: { color: color })
+    end
+
+    context "when key is used" do
+      let(:color) { :green }
+
+      specify do
+        expect(Product.last.product_configuration).to be_green
+      end
+    end
+
+    context "when value is used" do
+      let(:color) { "00ee00" }
+
+      specify do
+        expect(Product.last.product_configuration).to be_green
+      end
+    end
+  end
 end