diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..6958409
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+*.b linguist-language=Prolog
+*.f linguist-language=Prolog
+*.n linguist-language=Prolog
+*.properties linguist-language=Java