diff --git a/OUTPUT_FILES/DATABASES_MPI/.gitignore b/OUTPUT_FILES/DATABASES_MPI/.gitignore
new file mode 100644
index 000000000..5e7d2734c
--- /dev/null
+++ b/OUTPUT_FILES/DATABASES_MPI/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore