diff --git a/xmrnodes/helpers.py b/xmrnodes/helpers.py
index 8857d9f..cee12ce 100644
--- a/xmrnodes/helpers.py
+++ b/xmrnodes/helpers.py
@@ -127,4 +127,7 @@ def get_highest_block(nettype, crypto):
         Node.nettype == nettype,
         Node.crypto == crypto
     ).order_by(Node.last_height.desc()).limit(1).first()
-    return highest.last_height
+    if highest:
+        return highest.last_height
+    else:
+        return 0