diff --git a/pkgs/os-specific/linux/phc-intel/default.nix b/pkgs/os-specific/linux/phc-intel/default.nix
index c3c62dbf5eb..4eed41254f9 100644
--- a/pkgs/os-specific/linux/phc-intel/default.nix
+++ b/pkgs/os-specific/linux/phc-intel/default.nix
@@ -33,8 +33,8 @@ in stdenv.mkDerivation {
   enableParallelBuilding = false;
 
   installPhase = ''
-    install -m 755   -d $out/lib/modules/${kernel.version}/extra/
-    install -m 644 *.ko $out/lib/modules/${kernel.version}/extra/
+    install -m 755   -d $out/lib/modules/${kernel.modDirVersion}/extra/
+    install -m 644 *.ko $out/lib/modules/${kernel.modDirVersion}/extra/
   '';
 
   meta = with stdenv.lib; {