diff --git a/tockloader/app_padding.py b/tockloader/app_padding.py
index 5606d9a..07b0da9 100644
--- a/tockloader/app_padding.py
+++ b/tockloader/app_padding.py
@@ -73,7 +73,7 @@ def get_binary(self, address=None):
         tbfh_binary = self.tbfh.get_binary()
         # Calculate the padding length.
         padding_binary_size = self.get_size() - len(tbfh_binary)
-        return tbfh_binary + b"\xFF" * padding_binary_size
+        return tbfh_binary + b"\xff" * padding_binary_size
 
     def info(self, verbose=False):
         """
diff --git a/tockloader/tockloader.py b/tockloader/tockloader.py
index 5c1a946..bc9fc89 100644
--- a/tockloader/tockloader.py
+++ b/tockloader/tockloader.py
@@ -1324,7 +1324,6 @@ def _reshuffle_apps(self, apps, preserve_order=False):
 
         # Get where app memory might start.
         ram_start_address = self._get_memory_start_address()
-        logging.debug(f"Using RAM start address {ram_start_address:#02x}")
 
         # elf2tab can produce TBFs which have a fixed flash start
         # address, but not a fixed RAM start address, in which case