diff --git a/sphinx/util/parallel.py b/sphinx/util/parallel.py
index 201e5b5e250..b87453b06ba 100644
--- a/sphinx/util/parallel.py
+++ b/sphinx/util/parallel.py
@@ -96,10 +96,9 @@ def join(self) -> None:
             while self._pworking:
                 if not self._join_one():
                     time.sleep(0.02)
-        except Exception:
+        finally:
             # shutdown other child processes on failure
             self.terminate()
-            raise
 
     def terminate(self) -> None:
         for tid in list(self._precvs):