diff --git a/build.rs b/build.rs
index 0c18d7e8aa024f42ef39c2b6d97acd612d216611..8d78087988c9f929f115bff4f7bff1b3822c884f 100644
--- a/build.rs
+++ b/build.rs
@@ -58,6 +58,7 @@ fn main() {
         .flag("-nostdlib")
         .include(&format!("{}/include", crate_dir))
         .include(&format!("{}/target/include", crate_dir))
+        .include(&format!("{}/pthreads-emb", crate_dir))
         .flag("-fno-stack-protector")
         .flag("-Wno-expansion-to-defined")
         .files(