diff --git a/tools/munin-node-c/.gitignore b/tools/munin-node-c/.gitignore
index 16edcbc0..91f33c2b 100644
--- a/tools/munin-node-c/.gitignore
+++ b/tools/munin-node-c/.gitignore
@@ -1,3 +1,4 @@
 # output files
 /*.o
 /munin-node-c
+/plugins/*
diff --git a/tools/munin-node-c/Makefile b/tools/munin-node-c/Makefile
index 58b4b59f..d4c79fdc 100644
--- a/tools/munin-node-c/Makefile
+++ b/tools/munin-node-c/Makefile
@@ -13,9 +13,12 @@ clean:
 	rm -f munin-node-c ${OBJS} ${LINKS}
 	rm -Rf plugins
 
-plugins:
+plugins: plugins/.munin-plugins-busybox.installed
+
+plugins/.munin-plugins-busybox.installed:
 	mkdir -p plugins
 	cd ../munin-plugins-busybox && make
 	cd plugins && for i in $$(find ../../munin-plugins-busybox -type l); do ln -s $$i; done
+	touch plugins/.munin-plugins-busybox.installed
 
 .PHONY: all clean plugins
diff --git a/tools/munin-plugins-busybox/.gitignore b/tools/munin-plugins-busybox/.gitignore
new file mode 100644
index 00000000..5761abcf
--- /dev/null
+++ b/tools/munin-plugins-busybox/.gitignore
@@ -0,0 +1 @@
+*.o