diff --git a/paramecio/cromosoma/extrafields/imagefield.py b/paramecio/cromosoma/extrafields/imagefield.py
index 0c1c824..82154e5 100644
--- a/paramecio/cromosoma/extrafields/imagefield.py
+++ b/paramecio/cromosoma/extrafields/imagefield.py
@@ -4,6 +4,7 @@ from pathlib import Path
 from paramecio.cromosoma.corefields import CharField
 from paramecio.cromosoma.extraforms.fileform import FileForm
 from paramecio.citoplasma import httputils
+from paramecio.citoplasma.keyutils import create_key
 import traceback
 
 from bottle import request
@@ -33,6 +34,8 @@ class ImageField(CharField):
         
         self.default_quality_thumb=95
         
+        self.suffix=''
+        
         # Is relative to media folder of paramecio
         
         #if module!=None:
@@ -94,7 +97,7 @@ class ImageField(CharField):
             else:
                 
                 value=os.path.basename(value)
-            
+                
                 return self.save_folder+'/'+value
             
         
@@ -172,7 +175,8 @@ class ImageField(CharField):
         prefix=''
         
         if self.yes_prefix==True:
-            prefix=uuid4().hex+'_'
+            #prefix=uuid4().hex+'_'
+            prefix=create_key(5).replace('/', '-').replace('#', '-')+self.suffix+'_'
         
         filename=prefix+filename