diff --git a/.gitignore b/.gitignore
index 8fe897cb..ce8704ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,12 +1,3 @@
-# Generated directories
+/.idea/
 /build/
 /prefix/
-
-# Targets
-/gzdoom/
-/lzdoom/
-/qzdoom/
-/raze/
-
-# IDE
-/.idea/
diff --git a/build.py b/build.py
index 09a09840..afd7b5c6 100755
--- a/build.py
+++ b/build.py
@@ -129,7 +129,7 @@ def create_configuration(args: list):
 
     if arguments.target:
         config.target = targets[arguments.target]
-        config.source_path = config.root_path + config.target.name
+        config.source_path = config.root_path + 'source' + os.sep + config.target.name
     else:
         assert arguments.source_path
         config.source_path = arguments.source_path
diff --git a/source/.gitignore b/source/.gitignore
new file mode 100644
index 00000000..33662f55
--- /dev/null
+++ b/source/.gitignore
@@ -0,0 +1 @@
+/*