diff --git a/srcpkgs/libIDL/template b/srcpkgs/libIDL/template
index 9591f9eb4e..98aa45aa9f 100644
--- a/srcpkgs/libIDL/template
+++ b/srcpkgs/libIDL/template
@@ -12,6 +12,10 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 distfiles="${GNOME_SITE}/$pkgname/0.8/$pkgname-$version.tar.bz2"
 checksum=c5d24d8c096546353fbc7cedf208392d5a02afe9d56ebcc1cccb258d7c4d2220
 
+if [ -n "$CROSS_BUILD" ]; then
+	configure_args+=" libIDL_cv_long_long_format=${libIDL_cv_long_long_format=ll}"
+fi
+
 libIDL-devel_package() {
 	depends="${sourcepkg}>=${version}_${revision}"
 	short_desc+=" -- development files"