diff --git a/parsers/spindumpnosymbols.py b/parsers/spindumpnosymbols.py
index f0c1d29..341954a 100644
--- a/parsers/spindumpnosymbols.py
+++ b/parsers/spindumpnosymbols.py
@@ -91,7 +91,10 @@ def parse_processes(data: list, start_timestamp: int) -> list[dict]:
             if "Process:" in line.strip():
                 if not init:
                     process = SpindumpNoSymbolsParser.parse_process(process_buffer)
-                    timestamp = start_time - timedelta(seconds=int(process['Time Since Fork'].rstrip('s')))
+                    try:
+                        timestamp = start_time - timedelta(seconds=int(process['Time Since Fork'].rstrip('s')))
+                    except KeyError:  # some don't have a time since fork, like zombie processes
+                        timestamp = start_time
                     process['timestamp'] = timestamp.timestamp()
                     process['datetime'] = timestamp.isoformat()
                     processes.append(process)
diff --git a/utils/base.py b/utils/base.py
index a0dbf3b..ad5b8f2 100644
--- a/utils/base.py
+++ b/utils/base.py
@@ -46,6 +46,7 @@ def __init__(self, module_filename: str, config: SysdiagnoseConfig, case_id: str
         self.case_data_folder = config.get_case_data_folder(case_id)
         self.case_data_subfolder = os.path.join(self.case_data_folder, os.listdir(self.case_data_folder)[0])
         self.case_parsed_data_folder = config.get_case_parsed_data_folder(case_id)
+        os.makedirs(self.case_parsed_data_folder, exist_ok=True)
 
         if not os.path.isdir(self.case_data_folder):
             print(f"Case {case_id} does not exist", file=sys.stderr)