diff --git a/pisi/db/packagedb.py b/pisi/db/packagedb.py
index 37cff6c0..806b9914 100644
--- a/pisi/db/packagedb.py
+++ b/pisi/db/packagedb.py
@@ -60,8 +60,9 @@ class PackageDB(lazydb.LazyDB):
     def __generate_obsoletes(self, doc):
         distribution = doc.getTag("Distribution")
         obsoletes = distribution and distribution.getTag("Obsoletes")
-
-        if not obsoletes:
+        src_repo = doc.getTag("SpecFile") is not None
+        
+        if not obsoletes or src_repo:
             return []
 
         return map(lambda x: x.firstChild().data(), obsoletes.tags("Package"))