diff --git a/volatility3/framework/automagic/pdbscan.py b/volatility3/framework/automagic/pdbscan.py
index 3751b383e..0b4f6c73a 100644
--- a/volatility3/framework/automagic/pdbscan.py
+++ b/volatility3/framework/automagic/pdbscan.py
@@ -272,7 +272,7 @@ class KernelPDBScanner(interfaces.automagic.AutomagicInterface):
         for kernel in kernels:
             vollog.log(
                 constants.LOGLEVEL_VVVV,
-                f"Testing potential kernel for {kernel.get('pdb_name', 'Unknown')} at {kernel.get('signature_offset', -1):x} with MZ offset at {kernel.get('mz_offset', -1):x}",
+                f"Testing potential kernel for {kernel.get('pdb_name', 'Unknown')} at {kernel.get('signature_offset', -1):x} with MZ offset at {(kernel.get('mz_offset', -1) or -1):x}",
             )
             valid_kernel = test_kernel(physical_layer_name, virtual_layer_name, kernel)
             if valid_kernel is not None: