diff --git a/configure b/configure
index d0bb9741924..bc9d4d90312 100755
--- a/configure
+++ b/configure
@@ -1790,6 +1790,7 @@ else
   amd64-* | x86_64-*)     llvm_cv_target_arch="x86_64" ;;
   sparc*-*)               llvm_cv_target_arch="Sparc" ;;
   powerpc*-*)             llvm_cv_target_arch="PowerPC" ;;
+  alpha*-*)               llvm_cv_target_arch="Alpha" ;;
   *)                      llvm_cv_target_arch="Unknown" ;;
 esac
 fi