diff --git a/pkgs/by-name/pr/prisma-engines/package.nix b/pkgs/by-name/pr/prisma-engines/package.nix
index 86518ccecf5c..9e7f036ee8e6 100644
--- a/pkgs/by-name/pr/prisma-engines/package.nix
+++ b/pkgs/by-name/pr/prisma-engines/package.nix
@@ -63,6 +63,8 @@ rustPlatform.buildRustPackage rec {
   # Tests are long to compile
   doCheck = false;
 
+  setupHook = ./setup-hook.sh;
+
   meta = with lib; {
     description = "Collection of engines that power the core stack for Prisma";
     homepage = "https://www.prisma.io/";
diff --git a/pkgs/by-name/pr/prisma-engines/setup-hook.sh b/pkgs/by-name/pr/prisma-engines/setup-hook.sh
new file mode 100644
index 000000000000..9579b47666bf
--- /dev/null
+++ b/pkgs/by-name/pr/prisma-engines/setup-hook.sh
@@ -0,0 +1,4 @@
+export PRISMA_SCHEMA_ENGINE_BINARY="@out@/bin/schema-engine"
+export PRISMA_QUERY_ENGINE_BINARY="@out@/bin/query-engine"
+export PRISMA_QUERY_ENGINE_LIBRARY="@out@/lib/libquery_engine.node"
+export PRISMA_FMT_BINARY="@out@/bin/prisma-fmt"