diff --git a/lib/geo_combine/migrators/v1_aardvark_migrator.rb b/lib/geo_combine/migrators/v1_aardvark_migrator.rb
index 89dc57b..608b3fb 100644
--- a/lib/geo_combine/migrators/v1_aardvark_migrator.rb
+++ b/lib/geo_combine/migrators/v1_aardvark_migrator.rb
@@ -78,6 +78,7 @@ def remove_deprecated_fields
         'dc_publisher_s' => 'dct_publisher_sm', # new namespace; single to multi-valued
         'dct_provenance_s' => 'schema_provider_s', # new URI name
         'dc_subject_sm' => 'dct_subject_sm', # new namespace
+        'solr_geom' => 'dcat_bbox', # new URI name
         'solr_year_i' => 'gbl_indexYear_im', # new URI name; single to multi-valued
         'dc_source_sm' => 'dct_source_sm', # new namespace
         'dc_rights_s' => 'dct_accessRights_s', # new URI name
diff --git a/spec/fixtures/docs/full_geoblacklight_aardvark.json b/spec/fixtures/docs/full_geoblacklight_aardvark.json
index 32fd408..b0ee9e5 100644
--- a/spec/fixtures/docs/full_geoblacklight_aardvark.json
+++ b/spec/fixtures/docs/full_geoblacklight_aardvark.json
@@ -43,7 +43,7 @@
   "dct_source_sm": [
     "stanford-rb371kw9607"
   ],
-  "solr_geom":"ENVELOPE(29.572742, 35.000308, 4.234077, -1.478794)",
+  "dcat_bbox":"ENVELOPE(29.572742, 35.000308, 4.234077, -1.478794)",
   "gbl_indexYear_im":[
     2005
   ],