diff --git a/include/mapbox/geometry/wagyu/ring.hpp b/include/mapbox/geometry/wagyu/ring.hpp
index eb4ade7..99e3dd6 100644
--- a/include/mapbox/geometry/wagyu/ring.hpp
+++ b/include/mapbox/geometry/wagyu/ring.hpp
@@ -11,7 +11,7 @@
 #include <sstream>
 #include <vector>
 
-#ifdef DEBUG
+#if defined(DEBUG) && __has_include(<execinfo.h>)
 #include <execinfo.h>
 #include <iostream>
 #include <sstream>
diff --git a/include/mapbox/geometry/wagyu/ring_util.hpp b/include/mapbox/geometry/wagyu/ring_util.hpp
index 64d3a13..aed5c40 100644
--- a/include/mapbox/geometry/wagyu/ring_util.hpp
+++ b/include/mapbox/geometry/wagyu/ring_util.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef DEBUG
+#if defined(DEBUG) && __has_include(<execinfo.h>)
 #include <iostream>
 // Example debug print for backtrace - only works on IOS
 #include <execinfo.h>