diff --git a/lib/handlers/push.js b/lib/handlers/push.js
index 8437c9f9..bc5ea0b7 100644
--- a/lib/handlers/push.js
+++ b/lib/handlers/push.js
@@ -71,7 +71,7 @@ function processStream (stream, labels, bulkLabels, bulk, toJSON, fingerPrint) {
       values.push([
         finger,
         ts,
-        (typeof entry.value === 'undefined') ? null : entry.value,
+        (typeof entry.value !== 'number') ? 0 : entry.value,
         entry.line || '',
         type === 3 ? bothType : type
       ])
@@ -98,7 +98,7 @@ function processStream (stream, labels, bulkLabels, bulk, toJSON, fingerPrint) {
       values.push([
         finger,
         BigInt(value[0]),
-        (typeof value[2] === 'undefined') ? null : value[2],
+        (typeof value[2] !== 'number') ? 0 : value[2],
         value[1] || '',
         type === 3 ? bothType : type
       ])