diff --git a/test/test_transform.py b/test/test_transform.py
index 08e1d789db502f9baeb3de98633f17af50077521..f68db12f86ba7be81e5ddece8fec67a2012a6070 100644
--- a/test/test_transform.py
+++ b/test/test_transform.py
@@ -78,7 +78,8 @@ def test_collect_common_factors(ctx_factory):
             """
             <float32> out_tmp = 0 {id=out_init,inames=i}
             out_tmp = out_tmp + alpha[i]*a[i,j]*b1[j] {id=out_up1,dep=out_init}
-            out_tmp = out_tmp + alpha[i]*a[j,i]*b2[j] {id=out_up2,dep=out_up1}
+            out_tmp = out_tmp + alpha[i]*a[j,i]*b2[j] \
+                    {id=out_up2,dep=out_init,nosync=out_up1}
             out[i] = out_tmp {dep=out_up1:out_up2}
             """)
     knl = lp.add_and_infer_dtypes(knl,