diff --git a/include/fenv.h b/include/fenv.h
index ebea584ca2..e2437bd8fd 100644
--- a/include/fenv.h
+++ b/include/fenv.h
@@ -1,2 +1,3 @@
 #include <openlibm_fenv.h>
+#undef complex
 #undef I