diff --git a/blocking.py b/blocking.py
index 177ec0c00..b198cc556 100644
--- a/blocking.py
+++ b/blocking.py
@@ -512,6 +512,7 @@ def mutePost(baseDir: str, nickname: str, domain: str, port: int,
         igIt = len(itemsList)
         itemsList.append(newIgnore)
         postJsonObj['ignores']['totalItems'] = igIt
+        postJsonObject['muted'] = True
         saveJson(postJsonObject, postFilename)
 
     # remove cached post so that the muted version gets recreated
@@ -594,6 +595,7 @@ def unmutePost(baseDir: str, nickname: str, domain: str, port: int,
         else:
             igItLen = len(postJsonObj['ignores']['items'])
             postJsonObj['ignores']['totalItems'] = igItLen
+        postJsonObject['muted'] = False
         saveJson(postJsonObject, postFilename)
 
     # remove cached post so that the muted version gets recreated