diff --git a/Makefile b/Makefile
index f3d8918..62c1088 100644
--- a/Makefile
+++ b/Makefile
@@ -57,7 +57,7 @@ ctest: ## Build browser test (into ctest/ subdirectory)
 
 .PHONY: ctestserv
 ctestserv: ## Start a test server on port 8000
-	@cd ctest && python -mSimpleHTTPServer
+	@cd ctest && python -mSimpleHTTPServer || python3 -mhttp.server || npx -y http-server -p 8000 .
 
 .PHONY: baseline
 baseline: ## Build test baselines