diff --git a/app/admin.py b/app/admin.py
index c99d5ac..6ab4668 100644
--- a/app/admin.py
+++ b/app/admin.py
@@ -18,19 +18,19 @@ class PersonAdmin(admin.ModelAdmin):
         }),
         ('Research Scale', {
             'classes': ('collapse',),
-            'fields': ('field_site', 'transect', 'mountain_top', 'mountain_range', 'landscape', 'regional', 'national',
-                       '_global'),
+            'fields': (('field_site', 'transect', 'mountain_top', 'mountain_range', 'landscape', 'regional', 'national',
+                       '_global')),
         }),
         ('Methods and tools', {
             'classes': ('collapse',),
-            'fields': ('biological_field_sampling', 'geographic_area_of_expertise', 'data_mining', 'remote_sensing',
-                       'gis', 'spatial_analysis', 'statistical_analysis', 'modelling', 'assessment', 'meta_analysis',
-                       'synthesis', 'qualitative_ssm', 'genetic_analyses'),
+            'fields': (('biological_field_sampling', 'geographic_area_of_expertise', 'data_mining', 'remote_sensing',
+                       'gis', 'spatial_analysis', 'statistical_analysis', 'modelling'),
+                       ('assessment', 'meta_analysis', 'synthesis', 'qualitative_ssm', 'genetic_analyses'))
         }),
         ('Taxonomic groups', {
             'classes': ('collapse',),
-            'fields': ('birds', 'mammals', 'reptiles', 'amphibians', 'fish', 'insects', 'molluscs', 'crustaceans',
-                       'arachnids', 'angiosperms', 'gymnosperms', 'fungi', 'algae', 'microbes'),
+            'fields': (('birds', 'mammals', 'reptiles', 'amphibians', 'fish', 'insects', 'molluscs', 'crustaceans',
+                       'arachnids'), ('angiosperms', 'gymnosperms', 'fungi', 'algae', 'microbes')),
         }),
         ('Others', {
             'classes': ('collapse',),