diff --git a/make-includes/build_document_rules.make b/make-includes/build_document_rules.make
index fd2eeec..bdcf503 100755
--- a/make-includes/build_document_rules.make
+++ b/make-includes/build_document_rules.make
@@ -285,7 +285,7 @@
 	@announce "Generating $@"
 	@echo "<!-- THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT! -->" > $@
 	@echo >> $@
-	@perl -ne 'if (/^(.*)<\@INC\[([^]]+)\]@>(.*)$$/) { print "$$1\n" . `cat $(PAPER_ROOT)/$$2` . "\n$$3\n"; } else { print; }'  $< >> $@
+	@perl $(GLOBAL_HANDBOOK_INCLUDE)/include_content_files.pl $(PAPER_ROOT) $< >> $@
 		
 
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