diff --git a/libbacktrace/config.h b/libbacktrace/config.h
index 7ab5a937..aa3259d1 100644
--- a/libbacktrace/config.h
+++ b/libbacktrace/config.h
@@ -14,7 +14,9 @@
 #define HAVE_ATOMIC_FUNCTIONS 1
 #define HAVE_DECL_STRNLEN 1
 
-#ifdef BSD
+#ifdef __APPLE__
+#  define HAVE_MACH_O_DYLD_H 1
+#elif defined BSD
 #  define HAVE_KERN_PROC 1
 #  define HAVE_KERN_PROC_ARGS 1
 #endif