1 files changed, 1 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 3fce112..cf3a363 100644
--- a/Makefile
+++ b/Makefile
@@ -757,6 +757,7 @@ cleanup-deps-style:
 	     || echo '*** Multi-line deps are mangled ***' && comm -3 tmp-$@-pre tmp-$@-post
 	@rm -f $(TOP_DIR)/tmp-$@-*
 
+.PHONY: docs/build-matrix.html
 docs/build-matrix.html: $(foreach 1,$(PKGS),$(PKG_MAKEFILES))
 	@echo '<!DOCTYPE html>'                  > $@
 	@echo '<html>'                          >> $@