diff --git a/iasl/.md5sum b/iasl/.md5sum
index e98a8ae82..f928c24fe 100644
--- a/iasl/.md5sum
+++ b/iasl/.md5sum
@@ -1 +1 @@
-68becae1d8a6f5b59f15516cf8001b38  acpica-unix-20120320.tar.gz
+aa553461d80aa00ec7821b47134e098e  acpica-unix-20121114.tar.gz
diff --git a/iasl/Pkgfile b/iasl/Pkgfile
index d217789d6..dc1fe870c 100644
--- a/iasl/Pkgfile
+++ b/iasl/Pkgfile
@@ -5,14 +5,15 @@
 # Depends on: 
 
 name=iasl
-version=20120320
+version=20121114
 release=1
 source=(http://www.acpica.org/download/acpica-unix-$version.tar.gz)
 
 build() {
-  cd acpica-unix-$version/source/compiler
-  make -j1 aslcompilerlex.c
-  sed 's/\#undef\ yytext_ptr//' -i aslcompilerlex.c
-  make -j1
-  install -D -m 0755 $name $PKG/usr/bin/$name
+  cd acpica-unix-$version
+
+  make clean
+  make BITS=32 HOST=_LINUX
+
+  install -D -m 0755 generate/unix/bin32/$name $PKG/usr/bin/$name
 }