diff --git a/src/liballoc_jemalloc/build.rs b/src/liballoc_jemalloc/build.rs
index 649cd6e8e85fb..440c9fbf2f66f 100644
--- a/src/liballoc_jemalloc/build.rs
+++ b/src/liballoc_jemalloc/build.rs
@@ -29,9 +29,9 @@ fn main() {
     // for targets like emscripten, even if we don't use it.
     let target = env::var("TARGET").expect("TARGET was not set");
     let host = env::var("HOST").expect("HOST was not set");
-    if target.contains("rumprun") || target.contains("bitrig") || target.contains("openbsd") ||
-       target.contains("msvc") || target.contains("emscripten") || target.contains("fuchsia") ||
-       target.contains("redox") || target.contains("wasm32") {
+    if target.contains("bitrig") || target.contains("cloudabi") || target.contains("emscripten") ||
+       target.contains("fuchsia") || target.contains("msvc") || target.contains("openbsd") ||
+       target.contains("redox") || target.contains("rumprun") || target.contains("wasm32") {
         println!("cargo:rustc-cfg=dummy_jemalloc");
         return;
     }