diff --git a/grammars/shaderlab.cson b/grammars/shaderlab.cson
index dfef6e5..9198aa9 100644
--- a/grammars/shaderlab.cson
+++ b/grammars/shaderlab.cson
@@ -1,7 +1,7 @@
 'scopeName': 'source.shaderlab'
 'name': 'ShaderLab'
 'fileTypes': [
-	'shader'
+	'shader', 'cginc'
 ]
 'patterns': [
 	{ # Numbers