diff --git a/srcpkgs/tree-sitter/template b/srcpkgs/tree-sitter/template
index 27f0c59e103..aae7b848d6e 100644
--- a/srcpkgs/tree-sitter/template
+++ b/srcpkgs/tree-sitter/template
@@ -11,7 +11,11 @@ homepage="https://tree-sitter.github.io"
 distfiles="https://github.com/tree-sitter/tree-sitter/archive/v${version}.tar.gz"
 checksum=2a0445f8172bbf83db005aedb4e893d394e2b7b33251badd3c94c2c5cc37c403
 make_check=no # tests require generating fixtures from remote repositories
-nocross=yes # fails with current rust
+
+post_patch() {
+	# fixes an indexmap error when cross compiling
+	cargo update --package autocfg --precise 1.1.0
+}
 
 post_build() {
 	# Build libtree-sitter, since do_build builds the tree-sitter CLI.