2 files changed, 3 insertions, 2 deletions

diff --git a/.gitignore b/.gitignore
index e614fbb..e600500 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 bin
 gen
+classes
diff --git a/Makefile b/Makefile
index f8f86ef..ae46d67 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-SDK=../android-sdk-linux
+SDK=$(shell sed -ne 's/sdk.dir=//p' local.properties)
 
 DX=$(SDK)/platform-tools/dx
 ADB=$(SDK)/platform-tools/adb
@@ -28,4 +28,4 @@ bin/AltosDroid-release.apk: $(SRC)
 	ant release
 
 clean:
-	ant clean
\ No newline at end of file
+	ant clean