diff --git a/src/obidmscolumn.c b/src/obidmscolumn.c
index 0e16f69..d0ee29b 100644
--- a/src/obidmscolumn.c
+++ b/src/obidmscolumn.c
@@ -957,11 +957,6 @@ OBIDMS_column_p obi_create_column(OBIDMS_p     dms,
 		return NULL;
 	}
 
-	if (strcmp(column_name, "merged") == 0)
-	{
-		fprintf(stderr, "\nversion nb = %d\n", version_number);
-	}
-
 	// Build the indexer name if needed
 	if ((data_type == OBI_STR) || (data_type == OBI_SEQ) || (data_type == OBI_QUAL) || tuples)
 	{
@@ -2017,6 +2012,7 @@ int obi_clean_unfinished_columns(OBIDMS_p dms)
 
 	// Find column directories
 	ddir = 0;
+	rewinddir(dms->directory);
 	while ((dms_dirent = readdir(dms->directory)) != NULL)
 	{
 		if ((dms_dirent->d_name)[0] == '.')
@@ -2062,6 +2058,7 @@ int obi_clean_unfinished_columns(OBIDMS_p dms)
 					i++;
 				if ((col_dirent->d_name)[i] == '@')	// Found a column file
 				{
+					i++;
 					j=i;
 					while ((col_dirent->d_name)[j] != '.')
 						j++;