2 files changed, 2 insertions, 2 deletions
diff --git a/lib/axlsx/rels/relationship.rb b/lib/axlsx/rels/relationship.rb
index 99c8e112..04911904 100644
--- a/lib/axlsx/rels/relationship.rb
+++ b/lib/axlsx/rels/relationship.rb
@@ -55,7 +55,7 @@ module Axlsx
       h = self.instance_values
       h[:Id] = 'rId' << rId.to_s
       str << '<Relationship '
-      str << h.map { |key, value| '' << key.to_s << '="' << value.to_s << '"'}.join(' ')
+      str << h.map { |key, value| '' << key.to_s << '="' << Axlsx::coder.encode(value.to_s) << '"'}.join(' ')
       str << '/>'
     end
 
diff --git a/lib/axlsx/workbook/worksheet/worksheet_hyperlink.rb b/lib/axlsx/workbook/worksheet/worksheet_hyperlink.rb
index 3ea89c14..d352ec90 100644
--- a/lib/axlsx/workbook/worksheet/worksheet_hyperlink.rb
+++ b/lib/axlsx/workbook/worksheet/worksheet_hyperlink.rb
@@ -73,7 +73,7 @@ module Axlsx
     # r:id should only be specified for external targets.
     # @return [Hash]
     def location_or_id
-      @target == :external ?  { :"r:id" => id } : { :location => location }
+      @target == :external ?  { :"r:id" => id } : { :location => Axlsx::coder.encode(location) }
     end
   end
 end