diff --git a/opal/util/sys_limits.c b/opal/util/sys_limits.c
index d91433ac67..bbdce0070a 100644
--- a/opal/util/sys_limits.c
+++ b/opal/util/sys_limits.c
@@ -51,7 +51,9 @@ OPAL_DECLSPEC opal_sys_limits_t opal_sys_limits = {
 
 int opal_util_init_sys_limits(void)
 {
+#ifndef __WINDOWS__    
     struct rlimit rlim;
+#endif
     int value;
     bool set_lims;