diff --git a/latex/book/Makefile b/latex/book/Makefile
index f9f7ec0..66505c1 100644
--- a/latex/book/Makefile
+++ b/latex/book/Makefile
@@ -14,7 +14,7 @@ $(PDF): %.pdf: %.tex
 	$(TEXMK) $<
 	@$(QPDF) $@ 2>/dev/null |:
 
-EXTS = aux fdb_latexmk fls log nav out snm synctex.gz toc bbl blg sta
+EXTS = atfi aux fdb_latexmk fls log nav out snm synctex.gz toc bbl blg sta
 clean:
 	$(RM) _minted-$(NAME)/ $(foreach ext,$(EXTS),$(NAME).$(ext))
 
diff --git a/latex/document/Makefile b/latex/document/Makefile
index 3412b27..b9df021 100644
--- a/latex/document/Makefile
+++ b/latex/document/Makefile
@@ -12,7 +12,7 @@ $(PDF): %.pdf: %.tex
 	$(TEXMK) $<
 	@$(QPDF) $@ 2>/dev/null |:
 
-EXTS = aux fdb_latexmk fls log nav out snm synctex.gz toc
+EXTS = atfi aux fdb_latexmk fls log nav out snm synctex.gz toc
 clean:
 	$(RM) _minted-$(NAME)/ $(foreach ext,$(EXTS),$(NAME).$(ext))
 
diff --git a/latex/exam/Makefile b/latex/exam/Makefile
index 08aa3f0..5fc7548 100644
--- a/latex/exam/Makefile
+++ b/latex/exam/Makefile
@@ -12,7 +12,7 @@ $(PDF): %.pdf: %.tex
 	$(TEXMK) $<
 	@$(QPDF) $@ 2>/dev/null |:
 
-EXTS = aux fdb_latexmk fls log nav out snm synctex.gz toc
+EXTS = atfi aux fdb_latexmk fls log nav out snm synctex.gz toc
 clean:
 	$(RM) _minted-$(NAME)/ $(foreach ext,$(EXTS),$(NAME).$(ext))
 
diff --git a/latex/presentation/Makefile b/latex/presentation/Makefile
index 9cc95f0..4ed45a7 100644
--- a/latex/presentation/Makefile
+++ b/latex/presentation/Makefile
@@ -20,7 +20,7 @@ else
 	@$(MAKE) $@
 endif
 
-EXTS = aux fdb_latexmk fls log nav out snm synctex.gz toc vrb
+EXTS = atfi aux fdb_latexmk fls log nav out snm synctex.gz toc vrb
 clean:
 	$(RM) _minted-$(NAME)/ $(foreach ext,$(EXTS),$(NAME).$(ext))