diff --git a/.gitignore b/.gitignore
index 5dac9f5..2764386 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .piolibdeps
 .clang_complete
 .gcc-flags.json
+CMakeListsPrivate.txt
diff --git a/lighthub/main.cpp b/lighthub/main.cpp
index 3c0410c..b53987d 100644
--- a/lighthub/main.cpp
+++ b/lighthub/main.cpp
@@ -133,7 +133,7 @@ EthernetClient ethClient;
 #define QUOTE(x) Q(x)
 
 #ifndef PIO_SRC_REV
-#define PIO_SRC_REV_BRANCH v0.97
+#define PIO_SRC_REV v0.97
 #endif
 
 
diff --git a/platformio.ini b/platformio.ini
index 14635e5..cf83094 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -18,8 +18,7 @@ platform = atmelsam
 framework = arduino
 board = due
 lib_ldf_mode = chain+
-build_flags = !echo -n "-DPIO_SRC_REV="$(git branch)
-;echo "-DPIO_SRC_REV_COMMIT="$( git rev-parse --short HEAD)
+build_flags = !echo -n "-DPIO_SRC_REV="$(git log --oneline -1)
 lib_deps =
           https://github.com/sebnil/DueFlashStorage
           https://github.com/livello/Arduino-Temperature-Control-Library.git#1306c49