diff --git a/Kernel/mkmap.sh b/Kernel/mkmap.sh
index e452f18ab0..605b4219f6 100644
--- a/Kernel/mkmap.sh
+++ b/Kernel/mkmap.sh
@@ -5,7 +5,7 @@ if [ -f Kernel32 ]; then
 else
     kernel_binary=Kernel64
 fi
-nm -n $kernel_binary | awk '{ if ($2 != "a") print; }' | uniq > "$tmp"
+nm -n $kernel_binary | grep -vE \\.Lubsan_data | awk '{ if ($2 != "a") print; }' | uniq > "$tmp"
 printf "%08x\n" "$(wc -l "$tmp" | cut -f1 -d' ')" > kernel.map
 c++filt < "$tmp" >> kernel.map
 rm -f "$tmp"