1 files changed, 6 insertions, 7 deletions
diff --git a/lib/axlsx/workbook/workbook.rb b/lib/axlsx/workbook/workbook.rb
index 1397552a..d122f253 100644
--- a/lib/axlsx/workbook/workbook.rb
+++ b/lib/axlsx/workbook/workbook.rb
@@ -270,14 +270,14 @@ require 'axlsx/workbook/worksheet/selection.rb'
     def relationships
       r = Relationships.new
       @worksheets.each do |sheet|
-        r << Relationship.new(WORKSHEET_R, WORKSHEET_PN % (r.size+1))
+        r << Relationship.new(sheet, WORKSHEET_R, WORKSHEET_PN % (r.size+1))
       end
       pivot_tables.each_with_index do |pivot_table, index|
-        r << Relationship.new(PIVOT_TABLE_CACHE_DEFINITION_R, PIVOT_TABLE_CACHE_DEFINITION_PN % (index+1))
+        r << Relationship.new(pivot_table.cache_definition, PIVOT_TABLE_CACHE_DEFINITION_R, PIVOT_TABLE_CACHE_DEFINITION_PN % (index+1))
       end
-      r << Relationship.new(STYLES_R,  STYLES_PN)
+      r << Relationship.new(self, STYLES_R,  STYLES_PN)
       if use_shared_strings
-          r << Relationship.new(SHARED_STRINGS_R,  SHARED_STRINGS_PN)
+          r << Relationship.new(self, SHARED_STRINGS_R,  SHARED_STRINGS_PN)
       end
       r
     end
@@ -336,9 +336,8 @@ require 'axlsx/workbook/worksheet/selection.rb'
       defined_names.to_xml_string(str)
       unless pivot_tables.empty?
         str << '<pivotCaches>'
-        pivot_tables.each_with_index do |pivot_table, index|
-          rId = "rId#{@worksheets.size + index + 1  }"
-          str << '<pivotCache cacheId="' << pivot_table.cache_definition.cache_id.to_s << '" r:id="' << rId << '"/>'
+        pivot_tables.each do |pivot_table|
+          str << '<pivotCache cacheId="' << pivot_table.cache_definition.cache_id.to_s << '" r:id="' << pivot_table.cache_definition.rId << '"/>'
         end
         str << '</pivotCaches>'
       end