diff --git a/builder/iso_builder.py b/builder/iso_builder.py
index 82c0405e..877fb068 100644
--- a/builder/iso_builder.py
+++ b/builder/iso_builder.py
@@ -219,12 +219,26 @@ def iso_builder_main(
 
     logger.info("=> Updating bootloader configuration (xbps-reconfigure -f linux) in ROOTFS...")
 
+#    kernel_package_name_for_reconfigure = None
+#    if kernels_config and 'kernels' in kernels_config and kernel_type in kernels_config['kernels']:
+#       kernel_info = kernels_config['kernels'][kernel_type]
+#        kernel_package_name_for_reconfigure = kernel_info.get('package_name')
+#        if kernel_package_name_for_reconfigure:
+#            kernel_package_name_for_reconfigure = kernel_package_name_for_reconfigure.split()[0]
+
     kernel_package_name_for_reconfigure = None
     if kernels_config and 'kernels' in kernels_config and kernel_type in kernels_config['kernels']:
         kernel_info = kernels_config['kernels'][kernel_type]
-        kernel_package_name_for_reconfigure = kernel_info.get('package_name')
-        if kernel_package_name_for_reconfigure:
-            kernel_package_name_for_reconfigure = kernel_package_name_for_reconfigure.split()[0]
+        logger.info(f"=> DEBUG: kernel_type for reconfigure: '{kernel_type}'") # Debug line
+        logger.info(f"=> DEBUG: kernel_info for reconfigure: {kernel_info}")  # Debug line
+        
+        package_name_string_from_yaml = kernel_info.get('package_name') # Get the string
+        logger.info(f"=> DEBUG: package_name_string_from_yaml: '{package_name_string_from_yaml}'") # Debug line
+
+        if package_name_string_from_yaml:
+            # Only split if the string is not None or empty
+            kernel_package_name_for_reconfigure = package_name_string_from_yaml.split()[0]
+            logger.info(f"=> DEBUG: kernel_package_name_for_reconfigure after split: '{kernel_package_name_for_reconfigure}'") # Debug line
 
     if not kernel_package_name_for_reconfigure:
         logger.warning("Failed to obtain kernel package name for reconfiguring. Using 'linux' as default.")