diff --git a/Makefile b/Makefile
index 97beacb6..ffb887d7 100644
--- a/Makefile
+++ b/Makefile
@@ -145,7 +145,7 @@ cpplint:
 shellcheck:
 	bin/check-shell-scripts.sh
 
-SMOKE_SKETCHES := $(sort $(shell if [ -d ./examples ]; then find ./examples -type f -name \*ino | xargs -n 1 dirname; fi))
+SMOKE_SKETCHES := $(sort $(shell if [ -d ./examples ]; then find ./examples -type f -name \*ino | xargs -n 1 dirname; fi; if [ -d ./plugins ]; then find ./plugins -type f -path '*/examples/*/*.ino' | xargs -n 1 dirname; fi))
 
 smoke-sketches: $(SMOKE_SKETCHES)
 	@echo "Smoke-tested all the sketches"