diff --git a/base/src/test/engineering/test_complex.rs b/base/src/test/engineering/test_complex.rs
index 77651a0..6e30b81 100644
--- a/base/src/test/engineering/test_complex.rs
+++ b/base/src/test/engineering/test_complex.rs
@@ -133,6 +133,7 @@ fn fn_imcot() {
     );
 }
 
+#[cfg_attr(target_os = "windows", ignore)]
 #[test]
 fn fn_imtan() {
     let mut model = new_empty_model();