diff --git a/exercises/04/.gitignore b/exercises/04/.gitignore
new file mode 100644
index 0000000..5ccf504
--- /dev/null
+++ b/exercises/04/.gitignore
@@ -0,0 +1,12 @@
+# Buildfiles
+*.o
+vslc/src/vslc
+parser.c
+scanner.c
+y.tab.h
+
+# Submission
+*.tar.xz
+
+# VSL treefiles
+*.ast
\ No newline at end of file