diff --git a/boards.txt b/boards.txt
index 5d9f468a8..bfc910a2b 100644
--- a/boards.txt
+++ b/boards.txt
@@ -134,7 +134,7 @@ modwifi.name=Olimex MOD-WIFI-ESP8266(-DEV)
 modwifi.upload.tool=esptool
 modwifi.upload.speed=115200
 modwifi.upload.resetmethod=ck
-modwifi.upload.maximum_size=983040
+modwifi.upload.maximum_size=1044464
 modwifi.upload.maximum_data_size=81920
 modwifi.upload.wait_for_upload_port=true
 modwifi.serial.disableDTR=true
@@ -186,7 +186,7 @@ nodemcu.name=NodeMCU 0.9 (ESP-12 Module)
 nodemcu.upload.tool=esptool
 nodemcu.upload.speed=115200
 nodemcu.upload.resetmethod=ck
-nodemcu.upload.maximum_size=983040
+nodemcu.upload.maximum_size=1044464
 nodemcu.upload.maximum_data_size=81920
 nodemcu.upload.wait_for_upload_port=true
 nodemcu.serial.disableDTR=true
@@ -237,7 +237,7 @@ nodemcuv2.name=NodeMCU 1.0 (ESP-12E Module)
 nodemcuv2.upload.tool=esptool
 nodemcuv2.upload.speed=115200
 nodemcuv2.upload.resetmethod=ck
-nodemcuv2.upload.maximum_size=983040
+nodemcuv2.upload.maximum_size=1044464
 nodemcuv2.upload.maximum_data_size=81920
 nodemcuv2.upload.wait_for_upload_port=true
 nodemcuv2.serial.disableDTR=true
@@ -288,7 +288,7 @@ huzzah.name=Adafruit HUZZAH ESP8266
 huzzah.upload.tool=esptool
 huzzah.upload.speed=115200
 huzzah.upload.resetmethod=ck
-huzzah.upload.maximum_size=983040
+huzzah.upload.maximum_size=1044464
 huzzah.upload.maximum_data_size=81920
 huzzah.upload.wait_for_upload_port=true
 huzzah.serial.disableDTR=true