diff --git a/alarm/llvm37/PKGBUILD b/alarm/llvm37/PKGBUILD
index e41de4e2c..9a3c0a5a0 100644
--- a/alarm/llvm37/PKGBUILD
+++ b/alarm/llvm37/PKGBUILD
@@ -14,7 +14,7 @@
 #  - v8: disable lldb, unsupported architecture
 #  - this package only exists for GHC
 
-buildarch=4
+buildarch=12
 
 pkgname=('llvm37' 'llvm37-libs' 'clang37' )
 pkgver=3.7.1