diff --git a/pkgs/development/libraries/libraspberrypi/default.nix b/pkgs/development/libraries/libraspberrypi/default.nix
index 57a8a0e191a1..664b8d1a7e0d 100644
--- a/pkgs/development/libraries/libraspberrypi/default.nix
+++ b/pkgs/development/libraries/libraspberrypi/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkg-config ];
   cmakeFlags = [
     (if (stdenv.hostPlatform.isAarch64) then "-DARM64=ON" else "-DARM64=OFF")
-    "-DVMCS_INSTALL_PREFIX=$out"
+    "-DVMCS_INSTALL_PREFIX=${placeholder "out"}"
   ];
 
   meta = with stdenv.lib; {