diff --git a/bitbake/lib/bb/fetch2/__init__.py b/bitbake/lib/bb/fetch2/__init__.py
index 2eb5ae929d..377fa01ed4 100644
--- a/bitbake/lib/bb/fetch2/__init__.py
+++ b/bitbake/lib/bb/fetch2/__init__.py
@@ -989,13 +989,13 @@ class FetchData(object):
             self.sha256_name = "sha256sum"
         if self.md5_name in self.parm:
             self.md5_expected = self.parm[self.md5_name]
-        elif self.type not in ["http", "https", "ftp", "ftps"]:
+        elif self.type not in ["http", "https", "ftp", "ftps", "sftp"]:
             self.md5_expected = None
         else:
             self.md5_expected = d.getVarFlag("SRC_URI", self.md5_name)
         if self.sha256_name in self.parm:
             self.sha256_expected = self.parm[self.sha256_name]
-        elif self.type not in ["http", "https", "ftp", "ftps"]:
+        elif self.type not in ["http", "https", "ftp", "ftps", "sftp"]:
             self.sha256_expected = None
         else:
             self.sha256_expected = d.getVarFlag("SRC_URI", self.sha256_name)