diff --git a/.dockerignore b/.dockerignore
index 720ef4b..a9e0515 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -2,5 +2,6 @@
 build-docker
 Makefile
 README.md
+shellcheck.log
 start
 start.tmpl
diff --git a/.gitignore b/.gitignore
index d2d50a9..9fb1cc6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 start
 build-docker
+shellcheck.log
diff --git a/Makefile b/Makefile
index 3fd59a5..55ce5bd 100644
--- a/Makefile
+++ b/Makefile
@@ -16,15 +16,18 @@ $(START_SCRIPT): $(START_SCRIPT_SRC)
 	sed -e "s/{TAG}/$(TAG)/g" -e "s/{INSTALLATION_NAME}/$(INSTALLATION_NAME)/g" $< > $@
 	chmod +x $@
 
-shellcheck: $(START_SCRIPT)
-	shellcheck $<
+shellcheck.log: $(START_SCRIPT)
+	@echo "# Begin shellcheck log" > $@
+	shellcheck $< >> $@
+
+shellcheck: shellcheck.log
 
 check: shellcheck
 
 clean:
-	$(RM) build-docker $(START_SCRIPT)
+	$(RM) build-docker shellcheck.log $(START_SCRIPT)
 
 install: build
 	install -D --mode=755 $(START_SCRIPT) $(PREFIX)/bin/$(INSTALLATION_NAME)
 
-.PHONY: shellcheck check clean
+.PHONY: check clean