diff --git a/srcpkgs/mpqtool/template b/srcpkgs/mpqtool/template
index 9b2354d6fa3..a36124b0c05 100644
--- a/srcpkgs/mpqtool/template
+++ b/srcpkgs/mpqtool/template
@@ -11,6 +11,11 @@ homepage="https://github.com/ceres-wc3/ceres-mpqtool"
 distfiles="https://github.com/ceres-wc3/ceres-mpqtool/archive/v${version}.tar.gz"
 checksum=80be5a5f4273f4ca943689f37243a734ca9d564a37d0a259f4a9d4bdb6139857
 
+pre_build() {
+	# fixes an indexmap error when cross compiling
+	cargo update --package autocfg:0.1.7 --precise 0.1.8
+}
+
 post_install() {
 	vlicense LICENSE
 }