diff --git a/watcher/exec.go b/watcher/exec.go
index d619bc9..692148c 100644
--- a/watcher/exec.go
+++ b/watcher/exec.go
@@ -153,6 +153,9 @@ func (p *Project) goInstall() (string, error) {
 
 // GoTools is used for run go methods such as fmt, test, generate...
 func (p *Project) goTools(dir string, name string, cmd ...string) (string, error) {
+	if s := filepath.Ext(dir); s != "" && s != ".go" {
+		return "", nil
+	}
 	var out, stderr bytes.Buffer
 	build := exec.Command(name, cmd...)
 	build.Dir = dir
diff --git a/watcher/watcher.go b/watcher/watcher.go
index 87ba22d..56818a0 100644
--- a/watcher/watcher.go
+++ b/watcher/watcher.go
@@ -161,7 +161,7 @@ func (p *Project) watch(watcher watcher) error {
 	wd, _ := os.Getwd()
 	walk := func(path string, info os.FileInfo, err error) error {
 		if !p.ignore(path) {
-			if (info.IsDir() && len(filepath.Ext(path)) == 0 && !strings.HasPrefix(path, ".")) && !strings.Contains(path, "/.") || (inArray(filepath.Ext(path), p.Watcher.Exts)) {
+			if ((info.IsDir() && len(filepath.Ext(path)) == 0 && !strings.HasPrefix(path, ".")) && !strings.Contains(path, "/.")) || (inArray(filepath.Ext(path), p.Watcher.Exts)) {
 				if p.Watcher.Preview {
 					log.Println(p.pname(p.Name, 1), ":", path)
 				}