diff --git a/Makefile b/Makefile
index c2ff8ce1a89e5ae52fdf592fa5bef7682198661a..d02a724cc08db8dfc1e7872c7d9de465d12a627c 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ SUBDIRS = svg plt crc
 OUTDIR = build
 TEX_FLAGS = -file-line-error -interaction=nonstopmode
 COM_FLAGS = -output-directory=$(OUTDIR) -quiet
-GARBAGE_PATTERNS = *.aux *.bbl *.bcf *.blg *.idx *.ind *.lof *.lot *.log *.xml *.toc
+GARBAGE_PATTERNS = *.aux *.bbl *.bib *.bcf *.blg *.idx *.ind *.lof *.lot *.log *.xml *.toc
 
 SUB_TEX_FILES = $(foreach D,$(SUBDIRS),$(wildcard $(D)/*.tex))
 SUB_PDF_FILES = $(join $(dir $(SUB_TEX_FILES)),$(addprefix $(OUTDIR)/,$(notdir $(SUB_TEX_FILES:tex=pdf))))