diff --git a/app/models/champs/decimal_number_champ.rb b/app/models/champs/decimal_number_champ.rb
index 2669dbc9b39..7a05abb33ff 100644
--- a/app/models/champs/decimal_number_champ.rb
+++ b/app/models/champs/decimal_number_champ.rb
@@ -23,11 +23,20 @@
 class Champs::DecimalNumberChamp < Champ
   validates :value, numericality: {
     allow_nil: true,
-    allow_blank: true,
-    message: -> (object, _data) {
-      "« #{object.libelle} » " + object.errors.generate_message(:value, :not_a_number)
-    }
+    allow_blank: true
   }
+  validate :min_max_validation
+
+  def min_max_validation
+    return if value.blank?
+
+    if type_de_champ.min.present? && value.to_i < type_de_champ.min.to_i
+      errors.add(:value, :greater_than_or_equal_to, value: value, count: type_de_champ.min.to_i)
+    end
+    if type_de_champ.max.present? && value.to_i > type_de_champ.max.to_i
+      errors.add(:value, :less_than_or_equal_to, value: value, count: type_de_champ.max.to_i)
+    end
+  end
 
   def for_export
     processed_value
diff --git a/app/models/champs/integer_number_champ.rb b/app/models/champs/integer_number_champ.rb
index 7e123a646a0..94faa33120e 100644
--- a/app/models/champs/integer_number_champ.rb
+++ b/app/models/champs/integer_number_champ.rb
@@ -24,12 +24,20 @@ class Champs::IntegerNumberChamp < Champ
   validates :value, numericality: {
     only_integer: true,
     allow_nil: true,
-    allow_blank: true,
-    message: -> (object, _data) {
-      # i18n-tasks-use t('errors.messages.not_an_integer')
-      "« #{object.libelle} » " + object.errors.generate_message(:value, :not_an_integer)
-    }
+    allow_blank: true
   }
+  validate :min_max_validation
+
+  def min_max_validation
+    return if value.blank?
+
+    if type_de_champ.min.present? && value.to_i < type_de_champ.min.to_i
+      errors.add(:value, :greater_than_or_equal_to, value: value, count: type_de_champ.min.to_i)
+    end
+    if type_de_champ.max.present? && value.to_i > type_de_champ.max.to_i
+      errors.add(:value, :less_than_or_equal_to, value: value, count: type_de_champ.max.to_i)
+    end
+  end
 
   def for_export
     processed_value