diff --git a/meta/recipes-kernel/perf/perf/sort-pmuevents.py b/meta/recipes-kernel/perf/perf/sort-pmuevents.py
index 5ddf0f144f..4f841eb822 100755
--- a/meta/recipes-kernel/perf/perf/sort-pmuevents.py
+++ b/meta/recipes-kernel/perf/perf/sort-pmuevents.py
@@ -61,6 +61,8 @@ for struct in re.findall( struct_block_regex, data ):
             #print( "    name found: %s" % name.group(1) )
             entry_dict[struct[1]]['fields'][name.group(1)] = entry
         
+        if not entry_dict[struct[1]]['fields']:
+            entry_dict[struct[1]]['fields']['0'] = entry
 
 # created ordered dictionaries from the captured values. These are ordered by
 # a sorted() iteration of the keys. We don't care about the order we read