diff --git a/volatility/framework/automagic/pdbscan.py b/volatility/framework/automagic/pdbscan.py
index baed4f562..d9cf57ad3 100644
--- a/volatility/framework/automagic/pdbscan.py
+++ b/volatility/framework/automagic/pdbscan.py
@@ -109,7 +109,8 @@ class KernelPDBScanner(interfaces.automagic.AutomagicInterface):
                         age = kernel['age'],
                         pdb_name = kernel['pdb_name'],
                         symbol_table_class = "volatility.framework.symbols.windows.WindowsKernelIntermedSymbols",
-                        config_path = sub_config_path)
+                        config_path = sub_config_path,
+                        progress_callback = progress_callback)
                 else:
                     vollog.debug("No suitable kernel pdb signature found")
 
diff --git a/volatility/framework/symbols/windows/pdb.py b/volatility/framework/symbols/windows/pdb.py
index a66ab4c8c..dd8db5af2 100644
--- a/volatility/framework/symbols/windows/pdb.py
+++ b/volatility/framework/symbols/windows/pdb.py
@@ -30,7 +30,7 @@ class PDBUtility:
                                  offset: int,
                                  symbol_table_class: str,
                                  config_path: str = None,
-                                 progress_callback: constants.ProgressCallback = None) -> str:
+                                 progress_callback: constants.ProgressCallback = None) -> Optional[str]:
         """Produces the name of a symbol table loaded from the offset for an MZ header
 
         Args:
@@ -44,9 +44,12 @@ class PDBUtility:
         Returns:
             None if no pdb information can be determined, else returned the name of the loaded symbols for the MZ
         """
-        guid, age, pdb_name = cls.get_guid_from_mz(context, layer_name, offset)
+        result = cls.get_guid_from_mz(context, layer_name, offset)
+        if result is None:
+            return None
+        guid, age, pdb_name = result
         if config_path is None:
-            config_path = interfaces.configuration.path_join('pdbutility', pdb_name.strip('\x00').replace('.', '_'))
+            config_path = interfaces.configuration.path_join('pdbutility', pdb_name.replace('.', '_'))
 
         return cls.load_windows_symbol_table(context, guid, age, pdb_name, symbol_table_class, config_path,
                                              progress_callback)
@@ -136,7 +139,7 @@ class PDBUtility:
 
         # Extract the data
         debug_entry = pe_data.DIRECTORY_ENTRY_DEBUG[0].entry
-        pdb_name = debug_entry.PdbFileName.decode("utf-8")
+        pdb_name = debug_entry.PdbFileName.decode("utf-8").strip('\x00')
         age = debug_entry.Age
         guid = "{:x}{:x}{:x}{}".format(debug_entry.Signature_Data1, debug_entry.Signature_Data2,
                                        debug_entry.Signature_Data3,