diff --git a/srcpkgs/crystal/template b/srcpkgs/crystal/template
index 1bac3dbe68c..f606c1c1bcf 100644
--- a/srcpkgs/crystal/template
+++ b/srcpkgs/crystal/template
@@ -14,6 +14,7 @@ homepage="https://crystal-lang.org/"
 distfiles="https://github.com/crystal-lang/crystal/archive/${version}.tar.gz"
 checksum=c34f4326ee576f60b8960e331aae8d5265a12b30707582e1f5c6c6032d364a80
 conflicts="crystal-bin"
+nocross="FIXME: someone needs to sort out the llvm --cxxflags for cross building"
 
 post_extract() {
 	# Check for libtls to determine if libssl is coming from LibreSSL, as suggested by Vaelatern