1 files changed, 1 insertions, 0 deletions
diff --git a/doc/doc.mk b/doc/doc.mk
index 0ad8c3a..8c56847 100644
--- a/doc/doc.mk
+++ b/doc/doc.mk
@@ -8,3 +8,4 @@ doc: $(PDF)
 $(BUILD_DIR)/%.pdf: %.tex
 	mkdir -p $(dir $@)
 	pdflatex -halt-on-error -output-directory $(DOC_BUILD_DIR) $<
+	pdflatex -halt-on-error -output-directory $(DOC_BUILD_DIR) $<