diff --git a/src/distromatic.c b/src/distromatic.c
index e216d5a..3153bab 100644
--- a/src/distromatic.c
+++ b/src/distromatic.c
@@ -375,6 +375,43 @@ resolveFirstLevelDependencies(struct configTag *ct, int archidx)
           scanheader = ct->headerlist[archidx];
           currrequire = NULL;
           currheader->requirelist = NULL;
+          if ((!currheader->obsoleted) && (currheader->next) && (!strcmp(currheader->name,currheader->next->name))) {
+                // mark obsoleted any package with same name in upper level repositories
+                if (currheader->altrepository < currheader->next->altrepository) {
+                   currheader->obsoleted = 1;
+                   if (checkVersionWithFlags(
+                      currheader->version,
+                      RPMSENSE_GREATER & RPMSENSE_EQUAL,
+                      currheader->next->version)) {
+                      snprintf(warning,PATH_MAX,"%s(%s,%s): same or higher version than package with same name in %s (%s >= %s)",
+                             currheader->name,
+                             ct->arch[archidx],
+                             ct->repository[currheader->altrepository]->tag,
+                             ct->repository[currheader->next->altrepository]->tag,
+                             currheader->version,
+                             currheader->next->version);
+                      fprintf(stderr,"Warning: %s\n",warning);
+                      addWarning(currheader->sourceheader,warning);
+                   }
+                } else if (currheader->altrepository >= currheader->next->altrepository) {
+                   currheader->next->obsoleted = 1;
+                   if (checkVersionWithFlags(
+                      currheader->version,
+                      RPMSENSE_LESS & RPMSENSE_EQUAL,
+                      currheader->next->version)) {
+                      snprintf(warning,PATH_MAX,"%s(%s,%s): same or higher version than package with same name in %s (%s >= %s)",
+                             currheader->next->name,
+                             ct->arch[archidx],
+                             ct->repository[currheader->next->altrepository]->tag,
+                             ct->repository[currheader->altrepository]->tag,
+                             currheader->next->version,
+                             currheader->version);
+                      fprintf(stderr,"Warning: %s\n",warning);
+                      addWarning(currheader->sourceheader,warning);
+                   }
+                }
+          }
+
           if (currheader->obsoleted) {
              currheader = currheader->next;
              continue;
diff --git a/src/headerlist.c b/src/headerlist.c
index 15ce15a..73046f7 100644
--- a/src/headerlist.c
+++ b/src/headerlist.c
@@ -824,7 +824,7 @@ addToHeaderList(struct configTag *ct,
            currname[0] = '\0';
 	}
         for (i = 0; i < ALT_REPS_MAX; i++) {
-	   /* scan alternate repositories to find any packge which comes first according to name sorting */
+	   /* scan alternate repositories to find any package which comes first according to name sorting */
 	   if (altscanpath[i] && (altcnt[i] < altn[i]) &&
               ((rpmnamecmp(currname, altnamelist[i][altcnt[i]]->d_name,0) >= 0) || (currname[0] == '\0'))) {
               strncpy(currname, altnamelist[i][altcnt[i]]->d_name,bufsize);