diff --git a/config.sub b/config.sub
index 1acc966..7b7db42 100755
--- a/config.sub
+++ b/config.sub
@@ -248,7 +248,7 @@ case $basic_machine in
 	# Some are omitted here because they have special meanings below.
 	1750a | 580 \
 	| a29k \
-	| aarch64 | aarch64_be \
+	| aarch64 | aarch64_be | arm64 \
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
 	| am33_2.0 \
@@ -371,7 +371,7 @@ case $basic_machine in
 	# Recognize the basic CPU types with company name.
 	580-* \
 	| a29k-* \
-	| aarch64-* | aarch64_be-* \
+	| aarch64-* | aarch64_be-* | arm64*-* \
 	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \