diff --git a/sumpy/p2p.py b/sumpy/p2p.py
index aa9da6eea0d838d43a73c715ac5c4b23b95ea837..160a2c28e6a2b95989846a21396c47911366b386 100644
--- a/sumpy/p2p.py
+++ b/sumpy/p2p.py
@@ -440,8 +440,7 @@ class P2PFromCSR(P2PBase):
 
     def get_kernel(self, max_npoints_in_one_box, gpu=False, nsplit=32):
         loopy_insns, result_names = self.get_loopy_insns_and_result_names()
-        arguments = (
-            self.get_default_src_tgt_arguments()
+        arguments = self.get_default_src_tgt_arguments() \
             + [
                 lp.GlobalArg("box_target_starts",
                     None, shape=None),
@@ -460,12 +459,8 @@ class P2PFromCSR(P2PBase):
                 lp.GlobalArg("result", None,
                     shape="noutputs, ntargets", dim_tags="sep,C"),
                 lp.TemporaryVariable("tgt_center", shape=(self.dim,)),
-                lp.TemporaryVariable("local_isrc",
-                    shape=(self.dim, max_npoints_in_one_box)),
-                lp.TemporaryVariable("local_isrc_strength",
-                    shape=(self.strength_count, max_npoints_in_one_box)),
                 "..."
-            ])
+            ]
 
         domains = [
             "{[itgt_box]: 0 <= itgt_box < ntgt_boxes}",
@@ -479,6 +474,12 @@ class P2PFromCSR(P2PBase):
         outer_limit = (max_npoints_in_one_box - 1) // nsplit
 
         if gpu:
+            arguments += [
+                lp.TemporaryVariable("local_isrc",
+                    shape=(self.dim, max_npoints_in_one_box)),
+                lp.TemporaryVariable("local_isrc_strength",
+                    shape=(self.strength_count, max_npoints_in_one_box)),
+            ]
             domains += [
                 "{[inner]: 0 <= inner < nsplit}",
                 "{[itgt_offset_outer]: 0 <= itgt_offset_outer <= outer_limit}",