diff --git a/Makefile b/Makefile
index f981a2395..66c88fa73 100644
--- a/Makefile
+++ b/Makefile
@@ -52,6 +52,7 @@ test-sigmac:
 	$(COVERAGE) run -a --include=$(COVSCOPE) tools/sigmac -rvdI -t arcsight -c tools/config/arcsight.yml rules/ > /dev/null
 	$(COVERAGE) run -a --include=$(COVSCOPE) tools/sigmac -rvdI -t arcsight-esm -c tools/config/arcsight.yml rules/ > /dev/null
 	$(COVERAGE) run -a --include=$(COVSCOPE) tools/sigmac -rvdI -t qradar -c tools/config/qradar.yml rules/ > /dev/null
+	$(COVERAGE) run -a --include=$(COVSCOPE) tools/sigmac -rvdI -t stix -c tools/config/stix.yml -c tools/config/stix-qradar.yml -c tools/config/stix-windows.yml rules/ > /dev/null
 	$(COVERAGE) run -a --include=$(COVSCOPE) tools/sigmac -rvdI -t limacharlie -c tools/config/limacharlie.yml rules/ > /dev/null
 	$(COVERAGE) run -a --include=$(COVSCOPE) tools/sigmac -rvdI -t carbonblack -c tools/config/carbon-black.yml rules/ > /dev/null
 	$(COVERAGE) run -a --include=$(COVSCOPE) tools/sigmac -rvdI -t qualys -c tools/config/qualys.yml rules/ > /dev/null