diff --git a/test/test_apps.py b/test/test_apps.py
index e07262dbdda8ad3c24522f7d0eb4dba8422bf0ce..71029cc9ce408f8e7fa95eaf3b766864c4beee5b 100644
--- a/test/test_apps.py
+++ b/test/test_apps.py
@@ -566,7 +566,7 @@ def test_poisson_fem(ctx_factory):
     sdim = 3
 
     knl = lp.make_kernel(
-            "{ [c,i,j,k,ell,ell2,ell3]: \
+            "{ [c,i,j,k,ell,ell2]: \
             0 <= c < nels and \
             0 <= i < nbf and \
             0 <= j < nbf and \