diff --git a/boards/esp32thing.json b/boards/esp32thing.json
index 32a75e6..7f88152 100644
--- a/boards/esp32thing.json
+++ b/boards/esp32thing.json
@@ -7,7 +7,7 @@
     "flash_mode": "dio",
     "ldscript": "esp32_out.ld",
     "mcu": "esp32",
-    "variant": "esp32"
+    "variant": "esp32thing"
   },
   "frameworks": [
     "arduino",
diff --git a/builder/main.py b/builder/main.py
index 68c1c85..cd173d2 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -98,6 +98,7 @@ env.Replace(
     ],
 
     UPLOADCMD='"$PYTHONEXE" "$UPLOADER" $UPLOADERFLAGS $SOURCE',
+    SIZEPRINTCMD='$SIZETOOL -B -d $SOURCES',
 
     PROGNAME="firmware",
     PROGSUFFIX=".elf"
diff --git a/platform.json b/platform.json
index 60c1101..0e9fe91 100644
--- a/platform.json
+++ b/platform.json
@@ -12,7 +12,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-espressif32.git"
   },
-  "version": "0.5.0",
+  "version": "0.5.1",
   "packageRepositories": [
     "https://dl.bintray.com/platformio/dl-packages/manifest.json",
     "https://sourceforge.net/projects/platformio-storage/files/packages/manifest.json/download",
@@ -46,7 +46,7 @@
     "framework-arduinoespressif32": {
       "type": "framework",
       "optional": true,
-      "version": "~1.1.1"
+      "version": "~1.1.2"
     },
     "framework-espidf": {
       "type": "framework",