diff --git a/build.rs b/build.rs
index a435c419146..d62b4f1ba8b 100644
--- a/build.rs
+++ b/build.rs
@@ -21,6 +21,7 @@ fn main() {
 
     // Do not build f3-sidecar on docs.rs publishing
     // No proper version of Go compiler is available.
+    println!("cargo:rerun-if-env-changed=FOREST_F3_SIDECAR_FFI_BUILD_OPT_OUT");
     if !is_docs_rs() && !is_env_truthy("FOREST_F3_SIDECAR_FFI_BUILD_OPT_OUT") {
         println!("cargo:rustc-cfg=f3sidecar");
         println!("cargo::rerun-if-changed=f3-sidecar");