diff --git a/explorer/python-api/explorer_python_api/ExplorerDumper.py b/explorer/python-api/explorer_python_api/ExplorerDumper.py
index 7749461c0f0..a41d1c8fd66 100644
--- a/explorer/python-api/explorer_python_api/ExplorerDumper.py
+++ b/explorer/python-api/explorer_python_api/ExplorerDumper.py
@@ -106,6 +106,7 @@ def dump(self):
                 self.logger.error("Skipping processing because last dump is processing")
         except BaseException:
             self.logger.error("An error has occurred in dumping blocks to database!")
+            self.processing = False
             return False
 
     def getTip(self):