diff --git a/abuild.in b/abuild.in
index 5e47256..5f58a49 100644
--- a/abuild.in
+++ b/abuild.in
@@ -743,6 +743,16 @@ postcheck() {
 		fi
 	fi
 
+	# Alpine Linux as a musl libc distro does not use /lib64 or /usr/lib64 under
+	# any circunstance, packages installing to it are 100% sure a packaging error
+	if [ -e "$dir"/lib64 ]; then
+		error "Packages must not put anything under /lib64, use /lib instead"
+		return 1
+	elif [ -e "$dir"/usr/lib64 ]; then
+		error "Packages must not put anything under /usr/lib64, use /usr/lib instead"
+		return 1
+	fi
+
 	# remove *.la files if libtool is not set
 	if ! options_has "libtool"; then
 		find "$dir" -name '*.la' -type f -delete