diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 371cb13017b34137ad96568cb6fc229306f9a0b3..13dd6ad59e19c6977f78a443bfc556d68519ec9e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@ unit-tests:
   script:
     - |
       # GRID is set in one of the "instantiations" of this job template.
-      "nix-shell --command "morph build morph/grid/${GRID}/grid.nix"
+      nix-shell --command "morph build morph/grid/${GRID}/grid.nix
 
 
 morph-build-localdev: