Index: tools/build/cfa.m4
===================================================================
--- tools/build/cfa.m4	(revision 7d128cb8cbeac82980aa4940266ee24f83f0ba23)
+++ tools/build/cfa.m4	(revision 8e860a77fa3346fad79afe13ed44f8c8970444b8)
@@ -67,5 +67,5 @@
 		"x86_64"     ) cannon_arch_name="x64";;
 		"aarch64"    ) cannon_arch_name="arm64";;
-		"arm4"       ) cannon_arch_name="arm64";;
+		"arm64"       ) cannon_arch_name="arm64";;
 		"ARM64"      ) cannon_arch_name="arm64";;
 		"x86"        ) cannon_arch_name="x86";;