diff --git a/Makefile b/Makefile
index f122616..f2c009b 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@ COVERAGE ?= $(UV) run --active coverage
 DOCKER ?= docker
 DOCKER_TAG ?= localhost/stapler:latest
 PORT ?= 8080
+OPEN ?= xdg-open
 
 # DOCS
 
@@ -116,6 +117,7 @@ coverage-report: .venv ## coverage report
 .PHONY: coverage-html
 coverage-html: .venv ## coverage html
 	@$(COVERAGE) html
+	@$(OPEN) htmlcov/index.html || true
 
 .PHONY: coverage-xml
 coverage-xml: .venv ## coverage xml