diff --git a/crossbuild.bash b/crossbuild.bash
index 0f867d4..12671fe 100755
--- a/crossbuild.bash
+++ b/crossbuild.bash
@@ -6,8 +6,11 @@ B="go build -tags without_openssl"
 
 set -x
 
-GOOS=linux  GOARCH=arm   $B
+# See https://github.com/golang/go/wiki/GoArm
+GOOS=linux  GOARCH=arm   GOARM=7 $B
 GOOS=linux  GOARCH=arm64 $B
+
+# MacOS
 GOOS=darwin GOARCH=amd64 $B
 
 # The cross-built binary is not useful on the compile host.