diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c9b014..17eaa02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## 3.0.4 [unreleased]
 
+- Added `:inline` as alias for `true` for `callbacks` and `mode` options
 - Friendlier error message for bad mapping with partial matches
 - Warn when records in search index do not exist in database
 
diff --git a/lib/searchkick/model.rb b/lib/searchkick/model.rb
index 26ae73b..12409ff 100644
--- a/lib/searchkick/model.rb
+++ b/lib/searchkick/model.rb
@@ -16,8 +16,8 @@ module Searchkick
 
       options[:_type] ||= -> { searchkick_index.klass_document_type(self, true) }
 
-      callbacks = options.key?(:callbacks) ? options[:callbacks] : true
-      unless [true, false, :async, :queue].include?(callbacks)
+      callbacks = options.key?(:callbacks) ? options[:callbacks] : :inline
+      unless [:inline, true, false, :async, :queue].include?(callbacks)
         raise ArgumentError, "Invalid value for callbacks"
       end
 
diff --git a/lib/searchkick/record_indexer.rb b/lib/searchkick/record_indexer.rb
index 5428518..e869f4e 100644
--- a/lib/searchkick/record_indexer.rb
+++ b/lib/searchkick/record_indexer.rb
@@ -8,7 +8,7 @@ module Searchkick
     end
 
     def reindex(method_name = nil, refresh: false, mode: nil)
-      unless [true, nil, :async, :queue].include?(mode)
+      unless [:inline, true, nil, :async, :queue].include?(mode)
         raise ArgumentError, "Invalid value for mode"
       end
 
@@ -31,7 +31,7 @@ module Searchkick
           record.id.to_s,
           method_name ? method_name.to_s : nil
         )
-      else # bulk, true
+      else # bulk, inline/true
         reindex_record(method_name)
 
         index.refresh if refresh
--
libgit2 0.21.0