diff --git a/tools/munin-node-c/.gitignore b/tools/munin-node-c/.gitignore
new file mode 100644
index 00000000..16edcbc0
--- /dev/null
+++ b/tools/munin-node-c/.gitignore
@@ -0,0 +1,3 @@
+# output files
+/*.o
+/munin-node-c