diff --git a/ippisite/ippidb/models.py b/ippisite/ippidb/models.py
index 2c3ef422a7b0bcfdcabc54c753aa01cfe5d4615c..541217cee02a9709dfe4b9cc685f0e6ad29f9aa3 100644
--- a/ippisite/ippidb/models.py
+++ b/ippisite/ippidb/models.py
@@ -81,6 +81,7 @@ class ProteinDomainComplex(models.Model):
     
     class Meta:
         verbose_name_plural = "complexes"
+        abstract = True
 
 #TEST inheritance for complex: BoundComplex and PartnerComplex
 class ProteinDomainBoundComplex(ProteinDomainComplex):