diff --git a/community/openjdk8/APKBUILD b/community/openjdk8/APKBUILD
index 62aa8c6d0dfda466198c0178084d385e68b51a88..bf3a83262ac24d5f161c9de6c385a5231d3310bb 100644
--- a/community/openjdk8/APKBUILD
+++ b/community/openjdk8/APKBUILD
@@ -81,6 +81,11 @@ unpack() {
 prepare() {
 	cd "$builddir"
 
+	local ver_u=$(sed -En 's/^JDK_UPDATE_VERSION\s*=\s*(\S+).*/\1/p' Makefile.am)
+	local ver_b=$(sed -En 's/^BUILD_VERSION\s*=\s*b(\S+).*/\1/p' Makefile.am)
+	[ "${pkgver#*.}" = "$ver_u.$ver_b" ] \
+		|| die "Version mismatch, source is 8.$ver_u.$ver_b, but abuild defines $pkgver!"
+
 	# Busybox sha256 does not support longopts.
 	sed -e "s/--check/-c/g" -i Makefile.am