diff --git a/scripts/getVersion.py b/scripts/getVersion.py
index b53c82d4..5f96f37f 100644
--- a/scripts/getVersion.py
+++ b/scripts/getVersion.py
@@ -68,7 +68,7 @@ def readVersion(path, infile):
     os.rename(src, dst)
 
     versionout = version[:-1] + "_" + sha + "_esp8266_sh1106.bin"
-    src = path + ".pio/build/esp8266_sh1106/firmware.bin"
+    src = path + ".pio/build/esp8266-sh1106/firmware.bin"
     dst = path + "firmware/" + versionout
     os.rename(src, dst)
     
diff --git a/src/CHANGES.md b/src/CHANGES.md
index 8fd8d8ad..364b2b4d 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -3,6 +3,7 @@
 (starting from release version `0.5.66`)
 
 ## 0.5.70
+* corrected MQTT `comm_disabled` #529
 
 ## 0.5.69
 * merged SH1106 1.3" Display, thx @dAjaY85
diff --git a/src/app.cpp b/src/app.cpp
index 3e8da14f..6f53121b 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -172,7 +172,7 @@ void app::tickIVCommunication(void) {
             onceAt(std::bind(&app::tickIVCommunication, this), nxtTrig);
     }
     if (mConfig->mqtt.broker[0] > 0)
-        mMqtt.tickerComm(mIVCommunicationOn);
+        mMqtt.tickerComm(!mIVCommunicationOn);
 }
 
 //-----------------------------------------------------------------------------