diff --git a/1.0.4/boards.txt b/1.0.4/boards.txt
index ff55071..d73f2a4 100644
--- a/1.0.4/boards.txt
+++ b/1.0.4/boards.txt
@@ -25,7 +25,7 @@ RFS.upload.tool=arduino:avrdude
 RFSO.name=EasyTherm RFS Rev.A (8MHz, DualOptiBoot, 9600Bd)
 
 RFSO.upload.protocol=arduino
-RFSO.upload.maximum_size=30720
+RFSO.upload.maximum_size=31744
 RFSO.upload.speed=9600
 
 RFSO.bootloader.low_fuses=0xD2
diff --git a/RFS-1.0.4.zip b/RFS-1.0.4.zip
index d6b2879..93cdfd4 100644
Binary files a/RFS-1.0.4.zip and b/RFS-1.0.4.zip differ
diff --git a/package_xPablo_index.json b/package_xPablo_index.json
index eb6383c..a0489a9 100644
--- a/package_xPablo_index.json
+++ b/package_xPablo_index.json
@@ -47,7 +47,7 @@
           },
           "url": "http://xpablo.cz/boards/RFS-1.0.4.zip",
           "archiveFileName": "RFS-1.0.4.zip",
-          "size": "10467",
+          "size": "10472",
           "boards": [
             {"name": "EasyTherm RFS Rev.A (8MHz internal clock)"},
             {"name": "EasyTherm RFS Rev.A (8MHz, DualOptiboot, 9600Bd)"},