diff --git a/fdroidserver/common.py b/fdroidserver/common.py
index 6a6ed953..c5ef55c0 100644
--- a/fdroidserver/common.py
+++ b/fdroidserver/common.py
@@ -546,7 +546,7 @@ def parse_metadata(metafile, verbose=False):
     for line in metafile:
         line = line.rstrip('\r\n')
         if mode == 3:
-            if not line.startswith(' '):
+            if not any(line.startswith(s) for s in (' ', '\t')):
                 if 'commit' not in curbuild:
                     raise MetaDataException("No commit specified for {0} in {1}".format(
                         curbuild['version'], metafile.name))