diff --git a/sumpy/e2p.py b/sumpy/e2p.py
index de60e66b25b52e6861ec5688e6d671f077543a20..66f5d81398f5fc8eccee1c0636abb5e5d41916cb 100644
--- a/sumpy/e2p.py
+++ b/sumpy/e2p.py
@@ -288,7 +288,7 @@ class E2PFromCSR(E2PBase):
                 nresults=len(result_names))
 
         loopy_knl = lp.tag_inames(loopy_knl, "idim*:unr")
-        loopy_knl = lp.set_loop_priority(loopy_knl, "itgt_box,itgt,isrc_box")
+        loopy_knl = lp.prioritize_loops(loopy_knl, "itgt_box,itgt,isrc_box")
         loopy_knl = self.expansion.prepare_loopy_kernel(loopy_knl)
 
         return loopy_knl
diff --git a/sumpy/qbx.py b/sumpy/qbx.py
index 642bec743f6408e8932bd6cd3d4838c9c98a0084..f06a0604a64426b4d17f6207797f830a3541eef0 100644
--- a/sumpy/qbx.py
+++ b/sumpy/qbx.py
@@ -204,7 +204,7 @@ class LayerPotentialBase(KernelComputation, KernelCacheWrapper):
             loopy_knl = lp.split_iname(loopy_knl, "itgt", 16, outer_tag="g.0",
                     inner_tag="l.0")
             loopy_knl = lp.split_iname(loopy_knl, "isrc", 256)
-            loopy_knl = lp.set_loop_priority(loopy_knl,
+            loopy_knl = lp.prioritize_loops(loopy_knl,
                     ["isrc_outer", "itgt_inner"])
         else:
             from warnings import warn