diff --git a/modules/private/actions.go b/modules/private/actions.go
index c924dac2c..4ec77dc93 100644
--- a/modules/private/actions.go
+++ b/modules/private/actions.go
@@ -22,5 +22,8 @@ func GenerateActionsRunnerToken(ctx context.Context, scope string) (string, Resp
 	})
 
 	resp, extra := requestJSONResp(req, &responseText{})
+	if resp == nil {
+		return "", extra
+	}
 	return resp.Text, extra
 }
diff --git a/modules/private/key.go b/modules/private/key.go
index 6f7cd8779..aa1e8aa56 100644
--- a/modules/private/key.go
+++ b/modules/private/key.go
@@ -27,5 +27,8 @@ func AuthorizedPublicKeyByContent(ctx context.Context, content string) (string,
 	req := newInternalRequest(ctx, reqURL, "POST")
 	req.Param("content", content)
 	resp, extra := requestJSONResp(req, &responseText{})
+	if resp == nil {
+		return "", extra
+	}
 	return resp.Text, extra
 }
diff --git a/modules/private/mail.go b/modules/private/mail.go
index 82216b346..699f5e5f4 100644
--- a/modules/private/mail.go
+++ b/modules/private/mail.go
@@ -30,5 +30,8 @@ func SendEmail(ctx context.Context, subject, message string, to []string) (strin
 	})
 
 	resp, extra := requestJSONResp(req, &responseText{})
+	if resp == nil {
+		return "", extra
+	}
 	return resp.Text, extra
 }