diff --git a/zenmap/zenmapCore/SearchResult.py b/zenmap/zenmapCore/SearchResult.py
index 7ad032080..75c023f77 100644
--- a/zenmap/zenmapCore/SearchResult.py
+++ b/zenmap/zenmapCore/SearchResult.py
@@ -152,7 +152,7 @@ class HostSearch(object):
 
         for osmatch in osmatches:
             os_str += osmatch['name'].lower()
-            for osclass in osmatch['osmatches']:
+            for osclass in osmatch['osclasses']:
                 os_str += osclass['vendor'].lower() + " " +\
                           osclass['osfamily'].lower() + " " +\
                           osclass['type'].lower()