diff --git a/app/models/metadata_file.rb b/app/models/metadata_file.rb
index 6b436087..b77fed1b 100644
--- a/app/models/metadata_file.rb
+++ b/app/models/metadata_file.rb
@@ -40,6 +40,8 @@ class MetadataFile < MetadataTemplate
 
   # Asociar la imagen subida al sitio y obtener la ruta
   def save
+    return true unless changed?
+
     value['description'] = sanitize value['description']
     value['path'] = nil unless path?
 
diff --git a/app/models/metadata_geo.rb b/app/models/metadata_geo.rb
index 7f9edbff..f106dc79 100644
--- a/app/models/metadata_geo.rb
+++ b/app/models/metadata_geo.rb
@@ -11,6 +11,7 @@ class MetadataGeo < MetadataTemplate
   end
 
   def save
+    return true unless changed?
     return true if empty?
 
     self[:value] = value.transform_values(&:to_f)
diff --git a/app/models/metadata_has_and_belongs_to_many.rb b/app/models/metadata_has_and_belongs_to_many.rb
index 4cc0c36b..905000ee 100644
--- a/app/models/metadata_has_and_belongs_to_many.rb
+++ b/app/models/metadata_has_and_belongs_to_many.rb
@@ -52,6 +52,8 @@ class MetadataHasAndBelongsToMany < MetadataBelongsTo
   # Buscamos en belongs_to la relación local, si se eliminó hay que
   # quitarla de la relación remota, sino hay que agregarla.
   def save
+    return true unless changed?
+
     self[:value] = sanitize value
 
     return true unless inverse? && !included?
diff --git a/app/models/metadata_has_many.rb b/app/models/metadata_has_many.rb
index 03eb9868..c4bc06c3 100644
--- a/app/models/metadata_has_many.rb
+++ b/app/models/metadata_has_many.rb
@@ -38,6 +38,8 @@ class MetadataHasMany < MetadataRelatedPosts
   # Actualizar las relaciones inversas.  Hay que buscar la diferencia
   # entre had y has_many.
   def save
+    return true unless changed?
+
     self[:value] = sanitize value
 
     return true unless inverse?
diff --git a/app/models/metadata_number.rb b/app/models/metadata_number.rb
index 5005b612..cb61dbf9 100644
--- a/app/models/metadata_number.rb
+++ b/app/models/metadata_number.rb
@@ -8,6 +8,8 @@ class MetadataNumber < MetadataTemplate
   end
 
   def save
+    return true unless changed?
+
     self[:value] = value.to_i
     self[:value] = encrypt(value) if private?
 
diff --git a/app/models/metadata_order.rb b/app/models/metadata_order.rb
index 27c5b8ca..078061b1 100644
--- a/app/models/metadata_order.rb
+++ b/app/models/metadata_order.rb
@@ -9,6 +9,8 @@ class MetadataOrder < MetadataTemplate
   end
 
   def save
+    return true unless changed?
+
     self[:value] = value.to_i
 
     true