diff --git a/src/librustc_llvm/build.rs b/src/librustc_llvm/build.rs
index a45028eafe1c4..306ffbf5daab4 100644
--- a/src/librustc_llvm/build.rs
+++ b/src/librustc_llvm/build.rs
@@ -198,7 +198,7 @@ fn main() {
     } else if target.contains("windows-gnu") {
         println!("cargo:rustc-link-lib=shell32");
         println!("cargo:rustc-link-lib=uuid");
-    } else if target.contains("netbsd") {
+    } else if target.contains("netbsd") || target.contains("haiku") {
         println!("cargo:rustc-link-lib=z");
     }
     cmd.args(&components);