diff --git a/.shellcheckrc b/.shellcheckrc
new file mode 100644
index 0000000..49a6fb1
--- /dev/null
+++ b/.shellcheckrc
@@ -0,0 +1,3 @@
+# Ignore [ ! -n "$VAR" ] tests (instead of [ -z "$VAR" ])
+# https://github.com/koalaman/shellcheck/wiki/SC2236
+disable=SC2236
\ No newline at end of file