diff --git a/PKGBUILD b/PKGBUILD
index 5c2501e..daea8c0 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -86,7 +86,8 @@ _package() {
 
   # a place for external modules,
   # with version file for building modules and running depmod from hook
-  local extradir="$pkgdir/usr/lib/modules/extramodules$_kernelname"
+  local extramodules="extramodules$_kernelname"
+  local extradir="$pkgdir/usr/lib/modules/$extramodules"
   install -Dt "$extradir" -m644 ../version
   ln -sr "$extradir" "$modulesdir/extramodules"
 
@@ -102,7 +103,7 @@ _package() {
   local subst="
     s|%PKGBASE%|$pkgbase|g
     s|%KERNVER%|$kernver|g
-    s|%EXTRAMODULES%|$extradir|g
+    s|%EXTRAMODULES%|$extramodules|g
   "
 
   # hack to allow specifying an initially nonexisting install file