diff --git a/yum/__init__.py b/yum/__init__.py
index 1acadf1..fdd9f73 100644
--- a/yum/__init__.py
+++ b/yum/__init__.py
@@ -2159,6 +2159,12 @@ class YumBase(depsolve.Depsolve):
                     self.verbose_logger.warning(_('Package %s already installed and latest version'), po)
                     continue
 
+            if self.rpmdb.contains(name=po.name, arch=po.arch) and not self.allowedMultipleInstalls(po):
+                self.verbose_logger.warning(_('Package matching %s already installed. Checking for update.'), po)            
+                txmbrs = self.update(po=po)
+                tx_return.extend(txmbrs)
+                continue
+                
             
             # make sure we're not installing a package which is obsoleted by something
             # else in the repo