diff --git a/git-hg-helper b/git-hg-helper
index 5699fe7..431b7de 100755
--- a/git-hg-helper
+++ b/git-hg-helper
@@ -916,7 +916,7 @@ def init_version():
         version, _, extra = util.version().partition('+')
         version = list(int(e) for e in version.split('.'))
         if extra:
-            version[1] += 1
+            version[-1] += 1
         hg_version = tuple(version)
     except:
         hg_version = None
diff --git a/git-remote-hg b/git-remote-hg
index b368765..13ef9c2 100755
--- a/git-remote-hg
+++ b/git-remote-hg
@@ -1700,7 +1700,7 @@ def main(args):
         version, _, extra = util.version().partition('+')
         version = list(int(e) for e in version.split('.'))
         if extra:
-            version[1] += 1
+            version[-1] += 1
         hg_version = tuple(version)
     except:
         hg_version = None