diff --git a/pkgs/test/nixpkgs-check-by-name/scripts/run-local.sh b/pkgs/test/nixpkgs-check-by-name/scripts/run-local.sh
index 46cbd5e858e2..1dd52293cc7e 100755
--- a/pkgs/test/nixpkgs-check-by-name/scripts/run-local.sh
+++ b/pkgs/test/nixpkgs-check-by-name/scripts/run-local.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -p jq
+#!nix-shell -i bash -p jq -I nixpkgs=../../../..
 
 set -o pipefail -o errexit -o nounset
 
diff --git a/pkgs/test/nixpkgs-check-by-name/scripts/update-pinned-tool.sh b/pkgs/test/nixpkgs-check-by-name/scripts/update-pinned-tool.sh
index dbc6e91df08a..b2bc629e8660 100755
--- a/pkgs/test/nixpkgs-check-by-name/scripts/update-pinned-tool.sh
+++ b/pkgs/test/nixpkgs-check-by-name/scripts/update-pinned-tool.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -p jq
+#!nix-shell -i bash -p jq -I nixpkgs=../../../..
 
 set -o pipefail -o errexit -o nounset