diff --git a/make-includes/build_document_rules.make b/make-includes/build_document_rules.make
index 5d8b432..4bb19f6 100755
--- a/make-includes/build_document_rules.make
+++ b/make-includes/build_document_rules.make
@@ -220,7 +220,7 @@
 
 $(PRINT_QUESTIONS_TEX): $(DERIVED_XML)
 	@announce "Building $@ from $<"
-	@echo "\\markfirstpage{$(SECTION)/$(BASE_NAME)/$(@:.tex=.pdf)}" >> $@
+	@echo "\\markfirstpage{$(SECTION)/$(BASE_NAME)/$(@:.tex=.pdf)}" > $@
 	$(call xslt,$<,xml2latex.xsl,$(call xslt_parameter,department,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper,'$(PAPER_NUMBER)'),$(call xslt_parameter,standalone,'no'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'sections/$(SECTION)/$(BASE_NAME)'),$(call xslt_parameter,image-format,'pdf')) >> $@
 	@echo "\\marklastpage{$(SECTION)/$(BASE_NAME)/$(@:.tex=.pdf)}" >> $@