diff --git a/src/ecopcr.c b/src/ecopcr.c
index f2790db..794fbd9 100644
--- a/src/ecopcr.c
+++ b/src/ecopcr.c
@@ -425,7 +425,7 @@ int main(int argc, char **argv)
 		printf("# output in superkingdom mode\n");
 	printf("#\n");
 
-	taxonomy = read_taxonomy(prefix);
+	taxonomy = read_taxonomy(prefix,0);
 
 	seq = ecoseq_iterator(prefix);