diff --git a/pkgs/os-specific/linux/kernel/builder.sh b/pkgs/os-specific/linux/kernel/builder.sh
index 8c20688aa2b..4e3461cc25a 100644
--- a/pkgs/os-specific/linux/kernel/builder.sh
+++ b/pkgs/os-specific/linux/kernel/builder.sh
@@ -128,7 +128,7 @@ installPhase() {
         if test -e arch/$archDir/include/asm; then
             cp -a arch/$archDir/include/asm $includeDir
         else
-            cp -a include/asm-$archDir $includeDir
+            cp -a include/asm-$archDir $includeDir/asm
         fi
     fi
 }