diff --git a/acpica-tools.spec b/acpica-tools.spec
index 1ed8a16..b7f61f3 100644
--- a/acpica-tools.spec
+++ b/acpica-tools.spec
@@ -32,6 +32,7 @@ Patch5:		OPT_LDFLAGS.patch
 Patch6:		int-format.patch
 Patch7:		f23-harden.patch
 Patch8:		rename-file.patch
+Patch9:		asllookup-ppc64.patch
 
 BuildRequires:  bison patchutils flex
 
@@ -90,6 +91,7 @@ gzip -dc %{SOURCE1} | tar -x --strip-components=1 -f -
 %patch6 -p1 -b .int-format
 %patch7 -p1 -b .f23-harden
 %patch8 -p1 -b .rename-file
+%patch9 -p1 -b .asllookup-ppc64
 
 cp -p %{SOURCE2} README.Fedora
 cp -p %{SOURCE3} iasl.1
@@ -186,6 +188,8 @@ fi
 %changelog
 * Thu Sep 10 2015 Al Stone <ahs3@redhat.com> - 20150818-2
 - Remove extraneous patch files for AAPITS.
+- Correct an assumption that all names are stored in little-endian format.
+  Fix is in asllookup-ppc64.patch.  Closes BZ#1251972.
 
 * Wed Sep 9 2015 Al Stone <ahs3@redhat.com> - 20150818-1
 - Update to latest upstream.  Closes BZ#1256134.
diff --git a/asllookup-ppc64.patch b/asllookup-ppc64.patch
new file mode 100644
index 0000000..c5255af
--- /dev/null
+++ b/asllookup-ppc64.patch
@@ -0,0 +1,13 @@
+diff -Naur acpica-unix2-20150818/source/compiler/asllookup.c acpica-unix2-20150818.fixes/source/compiler/asllookup.c
+--- acpica-unix2-20150818/source/compiler/asllookup.c	2015-09-10 16:07:37.573262497 -0600
++++ acpica-unix2-20150818.fixes/source/compiler/asllookup.c	2015-09-10 16:26:26.336912875 -0600
+@@ -176,7 +176,8 @@
+                  * We ignore the predefined methods since often, not
+                  * all arguments are needed or used.
+                  */
+-                if ((Node->Name.Ascii[0] != '_') &&
++                ACPI_MOVE_32_TO_32(&tmp.Ascii, Node->Name.Ascii);
++                if ((tmp.Ascii[0] != '_') &&
+                     (!(MethodArgs[i].Flags & ASL_ARG_REFERENCED)))
+                 {
+                     sprintf (MsgBuffer, "Arg%u", i);