diff --git a/lib/blacklight/solr/response/spelling.rb b/lib/blacklight/solr/response/spelling.rb
index 75f5958b12..840ab16617 100644
--- a/lib/blacklight/solr/response/spelling.rb
+++ b/lib/blacklight/solr/response/spelling.rb
@@ -73,10 +73,11 @@ def collation
       return unless spellcheck && spellcheck[:suggestions]
       suggestions = spellcheck[:suggestions]
 
-      if suggestions.index("collation")
-        suggestions[suggestions.index("collation") + 1]
-      elsif spellcheck.key?("collations")
-        spellcheck['collations'].last
+      case suggestions
+      when Array
+        suggestions[suggestions.index("collation") + 1] if suggestions.index("collation")
+      when Hash
+        spellcheck['collations'].last if spellcheck.key?("collations")
       end
     end
   end