diff --git a/patches/loopy/0001-bugfix-Pass-mapper-args-into-recursion-for-predicate.patch b/patches/loopy/0001-bugfix-Pass-mapper-args-into-recursion-for-predicate.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f99b0f1ff7b280c438e30fb1647174a7e95113a4
--- /dev/null
+++ b/patches/loopy/0001-bugfix-Pass-mapper-args-into-recursion-for-predicate.patch
@@ -0,0 +1,26 @@
+From 3dc64b24f43c632af3526eda6de929efe3fae5ba Mon Sep 17 00:00:00 2001
+From: Dominic Kempf <dominic.kempf@iwr.uni-heidelberg.de>
+Date: Mon, 21 Nov 2016 13:11:31 +0100
+Subject: [PATCH] [bugfix] Pass mapper args into recursion for predicates
+
+Fixes regression introduced in 8c5365c96
+---
+ loopy/kernel/instruction.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/loopy/kernel/instruction.py b/loopy/kernel/instruction.py
+index 5289162..b306e6e 100644
+--- a/loopy/kernel/instruction.py
++++ b/loopy/kernel/instruction.py
+@@ -1173,7 +1173,7 @@ class CInstruction(InstructionBase):
+                     for name, expr in self.iname_exprs],
+                 assignees=[f(a, *args) for a in self.assignees],
+                 predicates=frozenset(
+-                    f(pred) for pred in self.predicates))
++                    f(pred, *args) for pred in self.predicates))
+ 
+     # }}}
+ 
+-- 
+2.1.4
+
diff --git a/python/loopy b/python/loopy
index 20f15dcb423107500c4d63636ccf54ae76270450..1bd7777c599baf4a12b1560f2486236f994a51a3 160000
--- a/python/loopy
+++ b/python/loopy
@@ -1 +1 @@
-Subproject commit 20f15dcb423107500c4d63636ccf54ae76270450
+Subproject commit 1bd7777c599baf4a12b1560f2486236f994a51a3