diff --git a/lib/spark.js b/lib/spark.js
index dc4c64d..009fdd8 100644
--- a/lib/spark.js
+++ b/lib/spark.js
@@ -165,6 +165,8 @@ export default class Spark {
 
   async submitMeasurement (task, stats) {
     console.log('Submitting measurement...')
+    // Workaround until there is a new zinnia binary with the following fix:
+    // https://github.com/filecoin-station/zinnia/pull/538
     let participantAddress = Zinnia.walletAddress
     if (participantAddress === 't1abjxfbp274xpdqcpuaykwkfb43omjotacm2p3za') {
       participantAddress = '0x000000000000000000000000000000000000dEaD'