diff --git a/src/openvpn/dco_freebsd.c b/src/openvpn/dco_freebsd.c
index 1111abeb..af7776bb 100644
--- a/src/openvpn/dco_freebsd.c
+++ b/src/openvpn/dco_freebsd.c
@@ -594,6 +594,10 @@ dco_available(int msglevel)
     }
 
     buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
+    if (!buf)
+    {
+        goto out;
+    }
 
     ifcr.ifcr_count = ifcr.ifcr_total;
     ifcr.ifcr_buffer = buf;