diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..16fd371
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,5 @@
+configure_file (
+    "${CMAKE_CURRENT_SOURCE_DIR}/build/CACHEDIR.TAG.in"
+    "${CMAKE_BINARY_DIR}/CACHEDIR.TAG"
+    @ONLY
+)
diff --git a/init.py b/init.py
index 565c498..2e13047 100755
--- a/init.py
+++ b/init.py
@@ -88,7 +88,6 @@ if __name__ == '__main__':
         accumulated += [f'"-D{key}={val}"' for key, val in vars.items()]
         accumulated += args
     cmds = [
-        f"cp {os.path.join(self_dir, 'CACHEDIR.TAG.in')} CACHEDIR.TAG",
         f"cmake {source_dir} {' '.join(accumulated)}",
         ' '.join(build)
     ]