diff --git a/lib.go b/lib.go
index f06168f..c09eae3 100644
--- a/lib.go
+++ b/lib.go
@@ -281,7 +281,9 @@ func Exec(str string, opts ...*Opts) ([]*exec.Cmd, error) {
 		if err != nil {
 			fqncmd = filepath.Join(cmdwd, l.Tokens[0])
 		}
-		log.Printf("Will call CMD: %s", fqncmd)
+		if opt.Debug {
+			log.Printf("Will call CMD: %s", fqncmd)
+		}
 		cmd := exec.Command(fqncmd, l.Tokens[1:]...)
 		cmd.Stdout = log.Writer()
 		cmd.Stderr = log.Writer()