diff --git a/osc/util/git_version.py b/osc/util/git_version.py
index 6caa0eca..385dc52b 100644
--- a/osc/util/git_version.py
+++ b/osc/util/git_version.py
@@ -72,8 +72,10 @@ def get_version(version):
     # removing "~" because it is not an allowed character in git tags
     # and also because the normalized form is (for example) 1.0.0b0
     if version and git_tag != version.replace("~", ""):
-        msg = f"Git tag '{git_tag}' doesn't correspond with version '{version}' specified in the source code"
-        raise ValueError(msg)
+        # Git tag doesn't correspond with version specified in the source code.
+        # The most common reason is that forks do not have their tags in sync with upstream.
+        # In that case just return the version specified in the source code.
+        return version
 
     result = git_tag
     if git_hash: