diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..307ea9c
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+*.vhd linguist-detectable=true
+*.c linguist-detectable=true
+*.sh linguist-detectable=true
+*.pl linguist-detectable=true