--- a/src/iconolab/management/commands/importimages.py	Wed Nov 30 15:58:38 2016 +0100
+++ b/src/iconolab/management/commands/importimages.py	Fri Dec 02 15:07:54 2016 +0100
@@ -150,6 +150,7 @@
             print('# Extracting data from csv file and storing it in standardized format')
             # We store data using the Jocondelab keys, as defined in settings.IMPORT_FIELDS_DICT
             cleaned_csv_data=[]
+            duplicate_rows=[]
             for row in csvreader:
                 cleaned_row_data = {}
                 for key in settings.IMPORT_FIELDS_DICT.keys():
@@ -162,7 +163,11 @@
                             else:
                                 cleaned_row_data[key] = row[row_key]
                             break
-                cleaned_csv_data.append(cleaned_row_data)
+                if cleaned_row_data[options.get('img_filename_identifier')] in [row[options.get('img_filename_identifier')] for row in cleaned_csv_data]:
+                    print("## We already have "+options.get('img_filename_identifier')+" value "+cleaned_row_data[options.get('img_filename_identifier')]+" in the data to import, ignoring duplicate line")
+                    duplicate_rows.append(cleaned_row_data)
+                else:
+                    cleaned_csv_data.append(cleaned_row_data)
             # Listing image files in csv directory
             image_list = [
                 f for f in os.listdir(source_dir) 
@@ -357,6 +362,15 @@
             else:
                 print('## Each row found at least one corresponding image!')
                 logger.debug('### Each row found at least one corresponding image!')
+            print('# Duplicate rows in csv')
+            logger.debug('## Checking duplicate rows in csv')
+            if duplicate_rows:
+                for item in no_image_rows:
+                    logger.debug('### %r: %r', options.get('img_filename_identifier'), item[options.get('img_filename_identifier')])
+                    print('## '+options.get('img_filename_identifier')+': '+item[options.get('img_filename_identifier')])
+            else:
+                print('## Each row found at least one corresponding image!')
+                logger.debug('### Each row found at least one corresponding image!')
         except FileNotFoundError:
             print('!!! File '+options.get('csv_path')+' does not exist. !!!')
         except ValueError as e: