diff --git a/.golangci.yml b/.golangci.yml
index 90f1909..040f5ff 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -7,3 +7,6 @@ issues:
     # go generate introduces these
     - path: expressions/scanner.go
       linters: [deadcode, unused, varcheck]
+linters:
+  enable:
+    - gofmt
diff --git a/Makefile b/Makefile
index 5147083..0ad73a8 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,9 @@ coverage: ## test the package, with coverage
 deps: ## list dependencies
 	@go list -f '{{join .Deps "\n"}}' ./... | grep -v `go list -f '{{.ImportPath}}'` | grep '\.' | sort | uniq
 
+format: ## list dependencies
+	@go fmt
+
 generate: ## re-generate lexers and parser
 	go generate ./...
 
diff --git a/engine_test.go b/engine_test.go
index fc86254..f9c3079 100644
--- a/engine_test.go
+++ b/engine_test.go
@@ -42,8 +42,8 @@ func TestEngine_ParseAndRenderString(t *testing.T) {
 func TestEngine_ParseAndRenderString_ptr_to_hash(t *testing.T) {
 	params := map[string]interface{}{
 		"message": &map[string]interface{}{
-			"Text": "hello",
-			"jsonNumber" : json.Number("123"),
+			"Text":       "hello",
+			"jsonNumber": json.Number("123"),
 		},
 	}
 	engine := NewEngine()