diff --git a/umich_catalog_indexing/lib/umich_traject/electronic_holding.rb b/umich_catalog_indexing/lib/umich_traject/electronic_holding.rb
index 648a047f..bd843671 100644
--- a/umich_catalog_indexing/lib/umich_traject/electronic_holding.rb
+++ b/umich_catalog_indexing/lib/umich_traject/electronic_holding.rb
@@ -10,23 +10,24 @@ def library
       end
 
       def link
-        code_map = {
-          "ann_arbor" => "UMAA",
-          "flint" => "UMFL"
-        }
-        URI::DEFAULT_PARSER.escape(@e56["u"].sub("openurl", "openurl-#{code_map[link_campus]}"))
+        code = (_alma_campuses.count == 1 && _alma_campuses.first == "UMFL") ? "UMFL" : "UMAA"
+        URI::DEFAULT_PARSER.escape(@e56["u"].sub("openurl", "openurl-#{code}"))
       end
 
       def link_text
         "Available online"
       end
 
-      def link_campus
+      def campuses
+        inst_code_map = {
+          "UMAA" => "ann_arbor",
+          "UMFL" => "flint"
+        }
         # return flint when it's the only campus
-        if _alma_campuses.count == 1 && _alma_campuses.first == "UMFL"
-          "flint"
+        if _alma_campuses.empty?
+          inst_code_map.values
         else
-          "ann_arbor"
+          _alma_campuses.map { |code| inst_code_map[code] }
         end
       end
 
@@ -86,7 +87,7 @@ def to_h
           "library",
           "link",
           "link_text",
-          "link_campus",
+          "campuses",
           "interface_name",
           "collection_name",
           "authentication_note",
diff --git a/umich_catalog_indexing/spec/traject/umich/electronic_holding_spec.rb b/umich_catalog_indexing/spec/traject/umich/electronic_holding_spec.rb
index bcdb1295..4aadf0cd 100644
--- a/umich_catalog_indexing/spec/traject/umich/electronic_holding_spec.rb
+++ b/umich_catalog_indexing/spec/traject/umich/electronic_holding_spec.rb
@@ -71,22 +71,22 @@ def get_record(path)
       expect(subject.institution_codes).to eq(["MIFLIC"])
     end
   end
-  context "#link_campus" do
-    it "shows ann_arbor when no c code" do
-      expect(subject.link_campus).to eq("ann_arbor")
+  context "#campuses" do
+    it "shows both ann_arbor and flint when no c code" do
+      expect(subject.campuses).to contain_exactly("ann_arbor", "flint")
     end
-    it "shows ann_arbor when both UMAA and UMFL are present" do
+    it "shows both ann_arbor and flint when both UMAA and UMFL are present" do
       ann_arbor_campus
       flint_campus
-      expect(subject.link_campus).to eq("ann_arbor")
+      expect(subject.campuses).to contain_exactly("ann_arbor", "flint")
     end
     it "shows ann_arbor when c code is only UMAA" do
       ann_arbor_campus
-      expect(subject.link_campus).to eq("ann_arbor")
+      expect(subject.campuses).to contain_exactly("ann_arbor")
     end
     it "shows flint when c code is only UMFL" do
       flint_campus
-      expect(subject.link_campus).to eq("flint")
+      expect(subject.campuses).to contain_exactly("flint")
     end
   end
   context "#interface_name" do
@@ -137,7 +137,7 @@ def get_record(path)
           "library" => s.library,
           "link" => s.link,
           "link_text" => s.link_text,
-          "link_campus" => s.link_campus,
+          "campuses" => s.campuses,
           "interface_name" => s.interface_name,
           "collection_name" => s.collection_name,
           "authentication_note" => s.authentication_note,