diff --git a/pkg/commands/git.go b/pkg/commands/git.go
index d02d75b4f..9b3c72fd9 100644
--- a/pkg/commands/git.go
+++ b/pkg/commands/git.go
@@ -106,7 +106,7 @@ func (c *GitCommand) GetStatusFiles() []File {
 
 // StashDo modify stash
 func (c *GitCommand) StashDo(index int, method string) error {
-	return c.OSCommand.RunCommand("git stash " + method + " stash@{" + fmt.Sprint(index) + "}")
+	return c.OSCommand.RunCommand(fmt.Sprintf("git stash %s stash@{%d}", method, index))
 }
 
 // StashSave save stash
diff --git a/pkg/commands/git_test.go b/pkg/commands/git_test.go
index f77c2a3b9..554ffbd1a 100644
--- a/pkg/commands/git_test.go
+++ b/pkg/commands/git_test.go
@@ -161,6 +161,18 @@ func TestGetStatusFiles(t *testing.T) {
 	}
 }
 
+func TestGitCommandStashDo(t *testing.T) {
+	gitCmd := newDummyGitCommand()
+	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
+		assert.EqualValues(t, "git", cmd)
+		assert.EqualValues(t, []string{"stash", "drop", "stash@{1}"}, args)
+
+		return exec.Command("echo")
+	}
+
+	assert.NoError(t, gitCmd.StashDo(1, "drop"))
+}
+
 func TestGitCommandDiff(t *testing.T) {
 	gitCommand := newDummyGitCommand()
 	assert.NoError(t, test.GenerateRepo("lots_of_diffs.sh"))