diff --git a/libafl_frida/build.rs b/libafl_frida/build.rs
index 76669ec895..f7e10787fd 100644
--- a/libafl_frida/build.rs
+++ b/libafl_frida/build.rs
@@ -1,7 +1,11 @@
 // build.rs
 #![forbid(unexpected_cfgs)]
 
+use std::{env, path::Path};
+
 fn main() {
+    let out_dir = env::var_os("OUT_DIR").unwrap();
+    let out_dir = out_dir.to_string_lossy().to_string();
     let target_os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();
     if target_os != "ios" {
         cc::Build::new().file("src/gettls.c").compile("libgettls.a");
@@ -46,7 +50,13 @@ fn main() {
                 "/libpath:{}/.cache/cargo-xwin/xwin/sdk/lib/um/x86_64/",
                 std::env::var("HOME").unwrap()
             ));
-        cmd.arg("/dll").arg("/OUT:test_harness.dll");
+        cmd.arg("/dll").arg(format!(
+            "/OUT:{}",
+            Path::new(&out_dir)
+                .join("test_harness.so")
+                .to_str()
+                .unwrap()
+        ));
         let output = cmd.output().expect("Failed to link test_harness.dll");
         let output_str = format!(
             "{:?}\nstatus: {}\nstdout: {}\nstderr: {}",
@@ -73,7 +83,7 @@ fn main() {
         cmd.args(compiler.args())
             .arg("test_harness.cpp")
             .arg("-o")
-            .arg("test_harness.so")
+            .arg(Path::new(&out_dir).join("test_harness.so"))
             .status()
             .expect("Failed to link test_harness");
     }
diff --git a/libafl_frida/src/lib.rs b/libafl_frida/src/lib.rs
index 71ae5a525e..acc6a148be 100644
--- a/libafl_frida/src/lib.rs
+++ b/libafl_frida/src/lib.rs
@@ -549,14 +549,20 @@ mod tests {
 
         SimpleStdoutLogger::set_logger().unwrap();
 
+        let out_dir = std::env::var_os("OUT_DIR").unwrap();
+        let out_dir = out_dir.to_string_lossy().to_string();
         // Check if the harness dynamic library is present, if not - skip the test
         #[cfg(unix)]
-        let test_harness = "./test_harness.so";
+        let test_harness_name = "test_harness.so";
         #[cfg(windows)]
-        let test_harness = ".\\test_harness.dll";
+        let test_harness_name = "test_harness.dll";
+
+        let test_harness = std::path::Path::new(&out_dir).join(test_harness_name);
+
         assert!(
-            std::path::Path::new(test_harness).exists(),
-            "Skipping test, {test_harness} not found"
+            test_harness.exists(),
+            "Skipping test, {} not found",
+            test_harness.to_str().unwrap()
         );
 
         GUM.set(Gum::obtain())
@@ -567,7 +573,7 @@ mod tests {
             "--disable-excludes",
             "--continue-on-error",
             "-H",
-            test_harness,
+            test_harness.to_str().unwrap(),
         ];
         let options: FuzzerOptions = FuzzerOptions::try_parse_from(simulated_args).unwrap();
         unsafe { test_asan(&options) }