diff --git a/.gitignore b/.gitignore
index 4e35159..a1c2a23 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 # Compiled class file
 *.class
-build/
 
 # Log file
 *.log
diff --git a/build/.gitignore b/build/.gitignore
new file mode 100644
index 0000000..5c77e8e
--- /dev/null
+++ b/build/.gitignore
@@ -0,0 +1,3 @@
+# Ignore everything in this directory, but Ant will complain if we don't have a build/ directory, so leave this .gitignore as a placeholder.
+*
+!.gitignore