diff --git a/srcpkgs/fractal/template b/srcpkgs/fractal/template
index cd5ea935a87..37461c7272b 100644
--- a/srcpkgs/fractal/template
+++ b/srcpkgs/fractal/template
@@ -16,6 +16,11 @@ homepage="https://wiki.gnome.org/Apps/Fractal"
 distfiles="https://gitlab.gnome.org/World/fractal/-/archive/$version/$pkgname-$version.tar.gz"
 checksum=3c3ea4e67e6d8fbc2e7b220fef188dcde5229e83c2cfeeadee42137718b34e56
 
+post_patch() {
+	# fixes an indexmap error when cross compiling
+	cargo update --package autocfg --precise 1.1.0
+}
+
 post_patch() {
 	[ -z "$CROSS_BUILD" ] && return 0