diff --git a/modules/git/repo_stats.go b/modules/git/repo_stats.go
index fa54183..dac957f 100644
--- a/modules/git/repo_stats.go
+++ b/modules/git/repo_stats.go
@@ -151,7 +151,7 @@ func GetPaginateCodeAuthors(repo *gitea_git.Repository, fromTime time.Time, bran
 	var authors []*CodeActivityAuthor
 	since := fromTime.Format(time.RFC3339)
 
-	authorCmd := gitea_git.NewCommand(repo.Ctx, "log", "--no-merges", "--format=%aN <%aE>", "--date=iso").AddDynamicArguments("--since='%s'", since)
+	authorCmd := gitea_git.NewCommand(repo.Ctx, "log", "--no-merges", "--format=%aN <%aE>", "--date=iso", gitea_git.CmdArg(fmt.Sprintf("--since='%s'", since)))
 	if len(branch) == 0 {
 		authorCmd.AddArguments("--branches=*")
 	} else {
@@ -201,7 +201,7 @@ func GetPaginateCodeAuthors(repo *gitea_git.Repository, fromTime time.Time, bran
 		_ = stdoutReader.Close()
 		_ = stdoutWriter.Close()
 	}()
-	gitCmd := gitea_git.NewCommand(repo.Ctx, "log", "--numstat", "--no-merges", "--pretty=format:---%n%h%n%aN%n%aE%n", "--date=iso", gitea_git.CmdArg(fmt.Sprintf("--author=%s", filterAuthor))).AddDynamicArguments("--since='%s'", since)
+	gitCmd := gitea_git.NewCommand(repo.Ctx, "log", "--numstat", "--no-merges", "--pretty=format:---%n%h%n%aN%n%aE%n", "--date=iso", gitea_git.CmdArg(fmt.Sprintf("--author=%s", filterAuthor)), gitea_git.CmdArg(fmt.Sprintf("--since='%s'", since)))
 	if len(branch) == 0 {
 		gitCmd.AddArguments("--branches=*")
 	} else {