diff --git a/quickwit/Cross.toml b/quickwit/Cross.toml
index e75490a206e..89139a76aa4 100644
--- a/quickwit/Cross.toml
+++ b/quickwit/Cross.toml
@@ -17,7 +17,11 @@ image = "quickwit/cross:aarch64-unknown-linux-gnu"
 [target.aarch64-unknown-linux-gnu.env]
 # Fix build for transitive dependency rdkafka -> rdkafka-sys -> sasl2-sys -> krb5-src
 # Introduced by https://github.com/MaterializeInc/rust-krb5-src/pull/27
-passthrough = ["KRB5_CV_ATTR_CONSTRUCTOR_DESTRUCTOR=yes", "AC_CV_FUNC_REGCOMP=yes", "AC_CV_PRINTF_POSITIONAL=yes"]
+passthrough = [
+    "krb5_cv_attr_constructor_destructor=yes",
+    "ac_cv_func_regcomp=yes",
+    "ac_cv_printf_positional=yes",
+]
 
 [target.aarch64-unknown-linux-musl]
 image = "quickwit/cross:aarch64-unknown-linux-musl"