diff --git a/poky/meta/classes/kernel-module-split.bbclass b/poky/meta/classes/kernel-module-split.bbclass
index 67ab416..e8d3eb5 100644
--- a/poky/meta/classes/kernel-module-split.bbclass
+++ b/poky/meta/classes/kernel-module-split.bbclass
@@ -48,7 +48,8 @@
         tmpfile = tf[1]
         cmd = "%sobjcopy -j .modinfo -O binary %s %s" % (d.getVar("HOST_PREFIX") or "", file, tmpfile)
         subprocess.check_call(cmd, shell=True)
-        f = open(tmpfile)
+        # errors='replace': Some old kernel versions contain invalid utf-8 characters in mod descriptions (like 0xf6, 'ö')
+        f = open(tmpfile, errors='replace')
         l = f.read().split("\000")
         f.close()
         os.close(tf[0])
@@ -132,7 +133,7 @@
     kernel_package_name = d.getVar("KERNEL_PACKAGE_NAME") or "kernel"
     kernel_version = d.getVar("KERNEL_VERSION")
 
-    module_regex = '^(.*)\.k?o$'
+    module_regex = r'^(.*)\.k?o$'
 
     module_pattern_prefix = d.getVar('KERNEL_MODULE_PACKAGE_PREFIX')
     module_pattern_suffix = d.getVar('KERNEL_MODULE_PACKAGE_SUFFIX')