diff --git a/ocamllib/libsecurity/binding_ssl_ext.c b/ocamllib/libsecurity/binding_ssl_ext.c
index 0c1cad67..364ef843 100644
--- a/ocamllib/libsecurity/binding_ssl_ext.c
+++ b/ocamllib/libsecurity/binding_ssl_ext.c
@@ -45,7 +45,7 @@
 #define SSL_val(v) (*((SSL**)Data_custom_val(v)))
 #define ONELINE_NAME(X) X509_NAME_oneline(X, 0, 0)
 
-#include "../libbase/mlstate_platform.h"
+#include "ocamllib/libbase/mlstate_platform.h"
 
 #if defined (__APPLE__)
 /* Disable depricated-declarations on OS X */