diff --git a/.github/ISSUE_TEMPLATE/1_Bug_Report.md b/.github/ISSUE_TEMPLATE/1_Bug_Report.md
index eb979554f..db5f35bf6 100644
--- a/.github/ISSUE_TEMPLATE/1_Bug_Report.md
+++ b/.github/ISSUE_TEMPLATE/1_Bug_Report.md
@@ -39,7 +39,7 @@ Behavior
 * Operating System:
 * ARTIQ version: (with recent versions of ARTIQ, run ``artiq_client --version``)
 * Version of the gateware and runtime loaded in the core device: (in the output of ``artiq_coremgmt -D .... log``)
-* If using Nix, version of nixpkgs:
+* If using Nix, version of nixpkgs (run ``nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'``):
 * If using Conda, output of `conda list`:
 * Hardware involved: