diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 1f113fe1eb822..0759916f828ff 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -530,13 +530,13 @@ def create_database(name, options = {})
         option_string = options.symbolize_keys.sum do |key, value|
           case key
           when :owner
-            " OWNER = '#{value}'"
+            " OWNER = \"#{value}\""
           when :template
-            " TEMPLATE = #{value}"
+            " TEMPLATE = \"#{value}\""
           when :encoding
             " ENCODING = '#{value}'"
           when :tablespace
-            " TABLESPACE = #{value}"
+            " TABLESPACE = \"#{value}\""
           when :connection_limit
             " CONNECTION LIMIT = #{value}"
           else