diff --git a/src/modules/processes.nix b/src/modules/processes.nix
index dcdbc9dea..b72b4a3a2 100644
--- a/src/modules/processes.nix
+++ b/src/modules/processes.nix
@@ -135,19 +135,18 @@ in
         mkdir -p "$DEVENV_STATE"
       fi
 
+      backgroundPID=$!
+
       stop_up() {
         echo "Stopping processes..."
-        kill -TERM $(cat "$DEVENV_STATE/devenv.pid")
-        rm "$DEVENV_STATE/devenv.pid"
-        wait
+        kill -TERM $backgroundPID
+        wait $backgroundPID
         ${config.process.after}
         echo "Processes stopped."
       }
 
       trap stop_up SIGINT SIGTERM
 
-      echo $! > "$DEVENV_STATE/devenv.pid"
-
       wait
     '';